Home / 22,506.90-31,056.84-12,434.73

Finding the Fourth Proportional to 22,506.90, 31,056.84 and 12,434.73

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Solution

The fourth proportional to 22,506.90, 31,056.84 and 12,434.73 is: 17,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.90 : 31,056.84 = 12,434.73 : x
  2. Step 2: Convert to fraction form
    22,506.90/31,056.84 = 12,434.73/x
  3. Step 3: Cross multiply
    22,506.90x = 31,056.84 × 12,434.73
  4. Step 4: Simplify right side
    22,506.90x = 386,183,420.05
  5. Step 5: Solve for x
    x = 386,183,420.05/22,506.90
  6. Step 6: Final answer
    x = 17,158.45

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Double scale
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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.