Home / 15,791.20-23,655.60-10,248.40

Finding the Fourth Proportional to 15,791.20, 23,655.60 and 10,248.40

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Solution

The fourth proportional to 15,791.20, 23,655.60 and 10,248.40 is: 15,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.20 : 23,655.60 = 10,248.40 : x
  2. Step 2: Convert to fraction form
    15,791.20/23,655.60 = 10,248.40/x
  3. Step 3: Cross multiply
    15,791.20x = 23,655.60 × 10,248.40
  4. Step 4: Simplify right side
    15,791.20x = 242,432,051.04
  5. Step 5: Solve for x
    x = 242,432,051.04/15,791.20
  6. Step 6: Final answer
    x = 15,352.35

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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.