Home / 15,189.48-22,759.20-9,333.72

Finding the Fourth Proportional to 15,189.48, 22,759.20 and 9,333.72

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Solution

The fourth proportional to 15,189.48, 22,759.20 and 9,333.72 is: 13,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.48 : 22,759.20 = 9,333.72 : x
  2. Step 2: Convert to fraction form
    15,189.48/22,759.20 = 9,333.72/x
  3. Step 3: Cross multiply
    15,189.48x = 22,759.20 × 9,333.72
  4. Step 4: Simplify right side
    15,189.48x = 212,428,000.22
  5. Step 5: Solve for x
    x = 212,428,000.22/15,189.48
  6. Step 6: Final answer
    x = 13,985.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.