Home / 22,945.35-31,631.07-16,219.11

Finding the Fourth Proportional to 22,945.35, 31,631.07 and 16,219.11

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Solution

The fourth proportional to 22,945.35, 31,631.07 and 16,219.11 is: 22,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.35 : 31,631.07 = 16,219.11 : x
  2. Step 2: Convert to fraction form
    22,945.35/31,631.07 = 16,219.11/x
  3. Step 3: Cross multiply
    22,945.35x = 31,631.07 × 16,219.11
  4. Step 4: Simplify right side
    22,945.35x = 513,027,803.75
  5. Step 5: Solve for x
    x = 513,027,803.75/22,945.35
  6. Step 6: Final answer
    x = 22,358.68

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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.