Home / 18,572.07-27,866.28-7,500.35

Finding the Fourth Proportional to 18,572.07, 27,866.28 and 7,500.35

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Solution

The fourth proportional to 18,572.07, 27,866.28 and 7,500.35 is: 11,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.07 : 27,866.28 = 7,500.35 : x
  2. Step 2: Convert to fraction form
    18,572.07/27,866.28 = 7,500.35/x
  3. Step 3: Cross multiply
    18,572.07x = 27,866.28 × 7,500.35
  4. Step 4: Simplify right side
    18,572.07x = 209,006,815.70
  5. Step 5: Solve for x
    x = 209,006,815.70/18,572.07
  6. Step 6: Final answer
    x = 11,253.82

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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.