Home / 22,601.18-31,188.39-12,529.03

Finding the Fourth Proportional to 22,601.18, 31,188.39 and 12,529.03

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Solution

The fourth proportional to 22,601.18, 31,188.39 and 12,529.03 is: 17,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.18 : 31,188.39 = 12,529.03 : x
  2. Step 2: Convert to fraction form
    22,601.18/31,188.39 = 12,529.03/x
  3. Step 3: Cross multiply
    22,601.18x = 31,188.39 × 12,529.03
  4. Step 4: Simplify right side
    22,601.18x = 390,760,277.96
  5. Step 5: Solve for x
    x = 390,760,277.96/22,601.18
  6. Step 6: Final answer
    x = 17,289.38

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Half scale
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Double scale
Find fourth proportional to 22,602.18, 31,189.77 and 12,530.03
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.