Home / 16,439.66-22,686.90-8,886.14

Finding the Fourth Proportional to 16,439.66, 22,686.90 and 8,886.14

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Solution

The fourth proportional to 16,439.66, 22,686.90 and 8,886.14 is: 12,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.66 : 22,686.90 = 8,886.14 : x
  2. Step 2: Convert to fraction form
    16,439.66/22,686.90 = 8,886.14/x
  3. Step 3: Cross multiply
    16,439.66x = 22,686.90 × 8,886.14
  4. Step 4: Simplify right side
    16,439.66x = 201,598,872.53
  5. Step 5: Solve for x
    x = 201,598,872.53/16,439.66
  6. Step 6: Final answer
    x = 12,262.96

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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.