Home / 16,439.67-22,686.60-8,885.93

Finding the Fourth Proportional to 16,439.67, 22,686.60 and 8,885.93

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Solution

The fourth proportional to 16,439.67, 22,686.60 and 8,885.93 is: 12,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.67 : 22,686.60 = 8,885.93 : x
  2. Step 2: Convert to fraction form
    16,439.67/22,686.60 = 8,885.93/x
  3. Step 3: Cross multiply
    16,439.67x = 22,686.60 × 8,885.93
  4. Step 4: Simplify right side
    16,439.67x = 201,591,426.11
  5. Step 5: Solve for x
    x = 201,591,426.11/16,439.67
  6. Step 6: Final answer
    x = 12,262.50

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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.