Home / 17,488.62-24,136.95-11,120.40

Finding the Fourth Proportional to 17,488.62, 24,136.95 and 11,120.40

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Solution

The fourth proportional to 17,488.62, 24,136.95 and 11,120.40 is: 15,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.62 : 24,136.95 = 11,120.40 : x
  2. Step 2: Convert to fraction form
    17,488.62/24,136.95 = 11,120.40/x
  3. Step 3: Cross multiply
    17,488.62x = 24,136.95 × 11,120.40
  4. Step 4: Simplify right side
    17,488.62x = 268,412,538.78
  5. Step 5: Solve for x
    x = 268,412,538.78/17,488.62
  6. Step 6: Final answer
    x = 15,347.84

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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.