Home / 16,904.18-23,319.92-10,937.78

Finding the Fourth Proportional to 16,904.18, 23,319.92 and 10,937.78

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Solution

The fourth proportional to 16,904.18, 23,319.92 and 10,937.78 is: 15,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.18 : 23,319.92 = 10,937.78 : x
  2. Step 2: Convert to fraction form
    16,904.18/23,319.92 = 10,937.78/x
  3. Step 3: Cross multiply
    16,904.18x = 23,319.92 × 10,937.78
  4. Step 4: Simplify right side
    16,904.18x = 255,067,983.29
  5. Step 5: Solve for x
    x = 255,067,983.29/16,904.18
  6. Step 6: Final answer
    x = 15,089.05

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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.