Home / 17,891.55-24,688.29-9,931.77

Finding the Fourth Proportional to 17,891.55, 24,688.29 and 9,931.77

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Solution

The fourth proportional to 17,891.55, 24,688.29 and 9,931.77 is: 13,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.55 : 24,688.29 = 9,931.77 : x
  2. Step 2: Convert to fraction form
    17,891.55/24,688.29 = 9,931.77/x
  3. Step 3: Cross multiply
    17,891.55x = 24,688.29 × 9,931.77
  4. Step 4: Simplify right side
    17,891.55x = 245,198,417.97
  5. Step 5: Solve for x
    x = 245,198,417.97/17,891.55
  6. Step 6: Final answer
    x = 13,704.71

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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.