Home / 16,891.28-23,318.28-10,607.12

Finding the Fourth Proportional to 16,891.28, 23,318.28 and 10,607.12

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Solution

The fourth proportional to 16,891.28, 23,318.28 and 10,607.12 is: 14,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.28 : 23,318.28 = 10,607.12 : x
  2. Step 2: Convert to fraction form
    16,891.28/23,318.28 = 10,607.12/x
  3. Step 3: Cross multiply
    16,891.28x = 23,318.28 × 10,607.12
  4. Step 4: Simplify right side
    16,891.28x = 247,339,794.15
  5. Step 5: Solve for x
    x = 247,339,794.15/16,891.28
  6. Step 6: Final answer
    x = 14,643.05

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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.