Home / 19,900.17-27,463.50-10,948.65

Finding the Fourth Proportional to 19,900.17, 27,463.50 and 10,948.65

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Solution

The fourth proportional to 19,900.17, 27,463.50 and 10,948.65 is: 15,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.17 : 27,463.50 = 10,948.65 : x
  2. Step 2: Convert to fraction form
    19,900.17/27,463.50 = 10,948.65/x
  3. Step 3: Cross multiply
    19,900.17x = 27,463.50 × 10,948.65
  4. Step 4: Simplify right side
    19,900.17x = 300,688,249.28
  5. Step 5: Solve for x
    x = 300,688,249.28/19,900.17
  6. Step 6: Final answer
    x = 15,109.83

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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.