Home / 17,678.48-24,390.23-10,961.69

Finding the Fourth Proportional to 17,678.48, 24,390.23 and 10,961.69

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Solution

The fourth proportional to 17,678.48, 24,390.23 and 10,961.69 is: 15,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.48 : 24,390.23 = 10,961.69 : x
  2. Step 2: Convert to fraction form
    17,678.48/24,390.23 = 10,961.69/x
  3. Step 3: Cross multiply
    17,678.48x = 24,390.23 × 10,961.69
  4. Step 4: Simplify right side
    17,678.48x = 267,357,963.53
  5. Step 5: Solve for x
    x = 267,357,963.53/17,678.48
  6. Step 6: Final answer
    x = 15,123.36

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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.