Home / 18,445.66-25,476.26-13,432.30

Finding the Fourth Proportional to 18,445.66, 25,476.26 and 13,432.30

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Solution

The fourth proportional to 18,445.66, 25,476.26 and 13,432.30 is: 18,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.66 : 25,476.26 = 13,432.30 : x
  2. Step 2: Convert to fraction form
    18,445.66/25,476.26 = 13,432.30/x
  3. Step 3: Cross multiply
    18,445.66x = 25,476.26 × 13,432.30
  4. Step 4: Simplify right side
    18,445.66x = 342,204,636.35
  5. Step 5: Solve for x
    x = 342,204,636.35/18,445.66
  6. Step 6: Final answer
    x = 18,552.04

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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.