Home / 23,718.68-32,731.28-13,108.08

Finding the Fourth Proportional to 23,718.68, 32,731.28 and 13,108.08

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Solution

The fourth proportional to 23,718.68, 32,731.28 and 13,108.08 is: 18,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.68 : 32,731.28 = 13,108.08 : x
  2. Step 2: Convert to fraction form
    23,718.68/32,731.28 = 13,108.08/x
  3. Step 3: Cross multiply
    23,718.68x = 32,731.28 × 13,108.08
  4. Step 4: Simplify right side
    23,718.68x = 429,044,236.74
  5. Step 5: Solve for x
    x = 429,044,236.74/23,718.68
  6. Step 6: Final answer
    x = 18,088.87

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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.