Home / 13,753.46-18,979.52-8,088.83

Finding the Fourth Proportional to 13,753.46, 18,979.52 and 8,088.83

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Solution

The fourth proportional to 13,753.46, 18,979.52 and 8,088.83 is: 11,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.46 : 18,979.52 = 8,088.83 : x
  2. Step 2: Convert to fraction form
    13,753.46/18,979.52 = 8,088.83/x
  3. Step 3: Cross multiply
    13,753.46x = 18,979.52 × 8,088.83
  4. Step 4: Simplify right side
    13,753.46x = 153,522,070.32
  5. Step 5: Solve for x
    x = 153,522,070.32/13,753.46
  6. Step 6: Final answer
    x = 11,162.43

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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.