Home / 23,731.08-32,746.10-13,120.76

Finding the Fourth Proportional to 23,731.08, 32,746.10 and 13,120.76

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Solution

The fourth proportional to 23,731.08, 32,746.10 and 13,120.76 is: 18,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.08 : 32,746.10 = 13,120.76 : x
  2. Step 2: Convert to fraction form
    23,731.08/32,746.10 = 13,120.76/x
  3. Step 3: Cross multiply
    23,731.08x = 32,746.10 × 13,120.76
  4. Step 4: Simplify right side
    23,731.08x = 429,653,719.04
  5. Step 5: Solve for x
    x = 429,653,719.04/23,731.08
  6. Step 6: Final answer
    x = 18,105.11

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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.