Home / 22,672.77-31,280.14-13,717.01

Finding the Fourth Proportional to 22,672.77, 31,280.14 and 13,717.01

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Solution

The fourth proportional to 22,672.77, 31,280.14 and 13,717.01 is: 18,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.77 : 31,280.14 = 13,717.01 : x
  2. Step 2: Convert to fraction form
    22,672.77/31,280.14 = 13,717.01/x
  3. Step 3: Cross multiply
    22,672.77x = 31,280.14 × 13,717.01
  4. Step 4: Simplify right side
    22,672.77x = 429,069,898.70
  5. Step 5: Solve for x
    x = 429,069,898.70/22,672.77
  6. Step 6: Final answer
    x = 18,924.46

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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.