Home / 16,158.80-22,298.63-8,988.68

Finding the Fourth Proportional to 16,158.80, 22,298.63 and 8,988.68

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Solution

The fourth proportional to 16,158.80, 22,298.63 and 8,988.68 is: 12,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.80 : 22,298.63 = 8,988.68 : x
  2. Step 2: Convert to fraction form
    16,158.80/22,298.63 = 8,988.68/x
  3. Step 3: Cross multiply
    16,158.80x = 22,298.63 × 8,988.68
  4. Step 4: Simplify right side
    16,158.80x = 200,435,260.31
  5. Step 5: Solve for x
    x = 200,435,260.31/16,158.80
  6. Step 6: Final answer
    x = 12,404.09

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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.