Home / 15,342.72-22,902.08-13,165.44

Finding the Fourth Proportional to 15,342.72, 22,902.08 and 13,165.44

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Solution

The fourth proportional to 15,342.72, 22,902.08 and 13,165.44 is: 19,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.72 : 22,902.08 = 13,165.44 : x
  2. Step 2: Convert to fraction form
    15,342.72/22,902.08 = 13,165.44/x
  3. Step 3: Cross multiply
    15,342.72x = 22,902.08 × 13,165.44
  4. Step 4: Simplify right side
    15,342.72x = 301,515,894.29
  5. Step 5: Solve for x
    x = 301,515,894.29/15,342.72
  6. Step 6: Final answer
    x = 19,652.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.