Home / 23,445.20-32,354.40-13,236.32

Finding the Fourth Proportional to 23,445.20, 32,354.40 and 13,236.32

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Solution

The fourth proportional to 23,445.20, 32,354.40 and 13,236.32 is: 18,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,445.20 : 32,354.40 = 13,236.32 : x
  2. Step 2: Convert to fraction form
    23,445.20/32,354.40 = 13,236.32/x
  3. Step 3: Cross multiply
    23,445.20x = 32,354.40 × 13,236.32
  4. Step 4: Simplify right side
    23,445.20x = 428,253,191.81
  5. Step 5: Solve for x
    x = 428,253,191.81/23,445.20
  6. Step 6: Final answer
    x = 18,266.14

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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.