Home / 23,718.86-32,730.38-13,107.66

Finding the Fourth Proportional to 23,718.86, 32,730.38 and 13,107.66

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Solution

The fourth proportional to 23,718.86, 32,730.38 and 13,107.66 is: 18,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.86 : 32,730.38 = 13,107.66 : x
  2. Step 2: Convert to fraction form
    23,718.86/32,730.38 = 13,107.66/x
  3. Step 3: Cross multiply
    23,718.86x = 32,730.38 × 13,107.66
  4. Step 4: Simplify right side
    23,718.86x = 429,018,553.59
  5. Step 5: Solve for x
    x = 429,018,553.59/23,718.86
  6. Step 6: Final answer
    x = 18,087.66

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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.