Home / 15,615.79-23,445.65-9,049.32

Finding the Fourth Proportional to 15,615.79, 23,445.65 and 9,049.32

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Solution

The fourth proportional to 15,615.79, 23,445.65 and 9,049.32 is: 13,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.79 : 23,445.65 = 9,049.32 : x
  2. Step 2: Convert to fraction form
    15,615.79/23,445.65 = 9,049.32/x
  3. Step 3: Cross multiply
    15,615.79x = 23,445.65 × 9,049.32
  4. Step 4: Simplify right side
    15,615.79x = 212,167,212.08
  5. Step 5: Solve for x
    x = 212,167,212.08/15,615.79
  6. Step 6: Final answer
    x = 13,586.71

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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.