Home / 15,913.62-21,988.98-11,452.14

Finding the Fourth Proportional to 15,913.62, 21,988.98 and 11,452.14

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Solution

The fourth proportional to 15,913.62, 21,988.98 and 11,452.14 is: 15,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.62 : 21,988.98 = 11,452.14 : x
  2. Step 2: Convert to fraction form
    15,913.62/21,988.98 = 11,452.14/x
  3. Step 3: Cross multiply
    15,913.62x = 21,988.98 × 11,452.14
  4. Step 4: Simplify right side
    15,913.62x = 251,820,877.42
  5. Step 5: Solve for x
    x = 251,820,877.42/15,913.62
  6. Step 6: Final answer
    x = 15,824.24

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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.