Home / 16,088.20-22,202.53-8,918.88

Finding the Fourth Proportional to 16,088.20, 22,202.53 and 8,918.88

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Solution

The fourth proportional to 16,088.20, 22,202.53 and 8,918.88 is: 12,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,088.20 : 22,202.53 = 8,918.88 : x
  2. Step 2: Convert to fraction form
    16,088.20/22,202.53 = 8,918.88/x
  3. Step 3: Cross multiply
    16,088.20x = 22,202.53 × 8,918.88
  4. Step 4: Simplify right side
    16,088.20x = 198,021,595.21
  5. Step 5: Solve for x
    x = 198,021,595.21/16,088.20
  6. Step 6: Final answer
    x = 12,308.50

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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.