Home / 22,731.08-31,368.88-13,301.44

Finding the Fourth Proportional to 22,731.08, 31,368.88 and 13,301.44

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Solution

The fourth proportional to 22,731.08, 31,368.88 and 13,301.44 is: 18,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.08 : 31,368.88 = 13,301.44 : x
  2. Step 2: Convert to fraction form
    22,731.08/31,368.88 = 13,301.44/x
  3. Step 3: Cross multiply
    22,731.08x = 31,368.88 × 13,301.44
  4. Step 4: Simplify right side
    22,731.08x = 417,251,275.19
  5. Step 5: Solve for x
    x = 417,251,275.19/22,731.08
  6. Step 6: Final answer
    x = 18,355.98

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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.