Home / 19,672.59-27,158.25-13,332.71

Finding the Fourth Proportional to 19,672.59, 27,158.25 and 13,332.71

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Solution

The fourth proportional to 19,672.59, 27,158.25 and 13,332.71 is: 18,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.59 : 27,158.25 = 13,332.71 : x
  2. Step 2: Convert to fraction form
    19,672.59/27,158.25 = 13,332.71/x
  3. Step 3: Cross multiply
    19,672.59x = 27,158.25 × 13,332.71
  4. Step 4: Simplify right side
    19,672.59x = 362,092,935.57
  5. Step 5: Solve for x
    x = 362,092,935.57/19,672.59
  6. Step 6: Final answer
    x = 18,405.96

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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.