Home / 16,439.68-22,686.72-9,365.92

Finding the Fourth Proportional to 16,439.68, 22,686.72 and 9,365.92

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Solution

The fourth proportional to 16,439.68, 22,686.72 and 9,365.92 is: 12,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.68 : 22,686.72 = 9,365.92 : x
  2. Step 2: Convert to fraction form
    16,439.68/22,686.72 = 9,365.92/x
  3. Step 3: Cross multiply
    16,439.68x = 22,686.72 × 9,365.92
  4. Step 4: Simplify right side
    16,439.68x = 212,482,004.58
  5. Step 5: Solve for x
    x = 212,482,004.58/16,439.68
  6. Step 6: Final answer
    x = 12,924.95

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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.