Home / 17,962.20-24,788.16-10,887.12

Finding the Fourth Proportional to 17,962.20, 24,788.16 and 10,887.12

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Solution

The fourth proportional to 17,962.20, 24,788.16 and 10,887.12 is: 15,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.20 : 24,788.16 = 10,887.12 : x
  2. Step 2: Convert to fraction form
    17,962.20/24,788.16 = 10,887.12/x
  3. Step 3: Cross multiply
    17,962.20x = 24,788.16 × 10,887.12
  4. Step 4: Simplify right side
    17,962.20x = 269,871,672.50
  5. Step 5: Solve for x
    x = 269,871,672.50/17,962.20
  6. Step 6: Final answer
    x = 15,024.42

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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.