Home / 22,490.59-31,039.76-13,059.16

Finding the Fourth Proportional to 22,490.59, 31,039.76 and 13,059.16

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Solution

The fourth proportional to 22,490.59, 31,039.76 and 13,059.16 is: 18,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.59 : 31,039.76 = 13,059.16 : x
  2. Step 2: Convert to fraction form
    22,490.59/31,039.76 = 13,059.16/x
  3. Step 3: Cross multiply
    22,490.59x = 31,039.76 × 13,059.16
  4. Step 4: Simplify right side
    22,490.59x = 405,353,192.20
  5. Step 5: Solve for x
    x = 405,353,192.20/22,490.59
  6. Step 6: Final answer
    x = 18,023.24

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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.