Home / 17,618.61-26,428.05-5,931.66

Finding the Fourth Proportional to 17,618.61, 26,428.05 and 5,931.66

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Solution

The fourth proportional to 17,618.61, 26,428.05 and 5,931.66 is: 8,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.61 : 26,428.05 = 5,931.66 : x
  2. Step 2: Convert to fraction form
    17,618.61/26,428.05 = 5,931.66/x
  3. Step 3: Cross multiply
    17,618.61x = 26,428.05 × 5,931.66
  4. Step 4: Simplify right side
    17,618.61x = 156,762,207.06
  5. Step 5: Solve for x
    x = 156,762,207.06/17,618.61
  6. Step 6: Final answer
    x = 8,897.54

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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.