Home / 16,101.60-22,219.56-9,387.42

Finding the Fourth Proportional to 16,101.60, 22,219.56 and 9,387.42

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Solution

The fourth proportional to 16,101.60, 22,219.56 and 9,387.42 is: 12,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.60 : 22,219.56 = 9,387.42 : x
  2. Step 2: Convert to fraction form
    16,101.60/22,219.56 = 9,387.42/x
  3. Step 3: Cross multiply
    16,101.60x = 22,219.56 × 9,387.42
  4. Step 4: Simplify right side
    16,101.60x = 208,584,341.94
  5. Step 5: Solve for x
    x = 208,584,341.94/16,101.60
  6. Step 6: Final answer
    x = 12,954.26

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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.