Home / 17,618.68-26,428.20-5,931.91

Finding the Fourth Proportional to 17,618.68, 26,428.20 and 5,931.91

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Solution

The fourth proportional to 17,618.68, 26,428.20 and 5,931.91 is: 8,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.68 : 26,428.20 = 5,931.91 : x
  2. Step 2: Convert to fraction form
    17,618.68/26,428.20 = 5,931.91/x
  3. Step 3: Cross multiply
    17,618.68x = 26,428.20 × 5,931.91
  4. Step 4: Simplify right side
    17,618.68x = 156,769,703.86
  5. Step 5: Solve for x
    x = 156,769,703.86/17,618.68
  6. Step 6: Final answer
    x = 8,897.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.