Home / 16,615.86-24,902.90-13,091.95

Finding the Fourth Proportional to 16,615.86, 24,902.90 and 13,091.95

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Solution

The fourth proportional to 16,615.86, 24,902.90 and 13,091.95 is: 19,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.86 : 24,902.90 = 13,091.95 : x
  2. Step 2: Convert to fraction form
    16,615.86/24,902.90 = 13,091.95/x
  3. Step 3: Cross multiply
    16,615.86x = 24,902.90 × 13,091.95
  4. Step 4: Simplify right side
    16,615.86x = 326,027,521.66
  5. Step 5: Solve for x
    x = 326,027,521.66/16,615.86
  6. Step 6: Final answer
    x = 19,621.47

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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.