Home / 22,777.05-31,432.38-12,705.23

Finding the Fourth Proportional to 22,777.05, 31,432.38 and 12,705.23

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Solution

The fourth proportional to 22,777.05, 31,432.38 and 12,705.23 is: 17,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.05 : 31,432.38 = 12,705.23 : x
  2. Step 2: Convert to fraction form
    22,777.05/31,432.38 = 12,705.23/x
  3. Step 3: Cross multiply
    22,777.05x = 31,432.38 × 12,705.23
  4. Step 4: Simplify right side
    22,777.05x = 399,355,396.66
  5. Step 5: Solve for x
    x = 399,355,396.66/22,777.05
  6. Step 6: Final answer
    x = 17,533.24

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Half scale
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Double scale
Find fourth proportional to 22,778.05, 31,433.76 and 12,706.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.