Home / 15,445.95-23,168.92-13,359.75

Finding the Fourth Proportional to 15,445.95, 23,168.92 and 13,359.75

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Solution

The fourth proportional to 15,445.95, 23,168.92 and 13,359.75 is: 20,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.95 : 23,168.92 = 13,359.75 : x
  2. Step 2: Convert to fraction form
    15,445.95/23,168.92 = 13,359.75/x
  3. Step 3: Cross multiply
    15,445.95x = 23,168.92 × 13,359.75
  4. Step 4: Simplify right side
    15,445.95x = 309,531,036.89
  5. Step 5: Solve for x
    x = 309,531,036.89/15,445.95
  6. Step 6: Final answer
    x = 20,039.62

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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.