Home / 19,591.28-29,232.58-18,400.76

Finding the Fourth Proportional to 19,591.28, 29,232.58 and 18,400.76

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Solution

The fourth proportional to 19,591.28, 29,232.58 and 18,400.76 is: 27,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.28 : 29,232.58 = 18,400.76 : x
  2. Step 2: Convert to fraction form
    19,591.28/29,232.58 = 18,400.76/x
  3. Step 3: Cross multiply
    19,591.28x = 29,232.58 × 18,400.76
  4. Step 4: Simplify right side
    19,591.28x = 537,901,688.76
  5. Step 5: Solve for x
    x = 537,901,688.76/19,591.28
  6. Step 6: Final answer
    x = 27,456.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.