Home / 22,703.19-31,308.42-15,149.84

Finding the Fourth Proportional to 22,703.19, 31,308.42 and 15,149.84

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Solution

The fourth proportional to 22,703.19, 31,308.42 and 15,149.84 is: 20,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.19 : 31,308.42 = 15,149.84 : x
  2. Step 2: Convert to fraction form
    22,703.19/31,308.42 = 15,149.84/x
  3. Step 3: Cross multiply
    22,703.19x = 31,308.42 × 15,149.84
  4. Step 4: Simplify right side
    22,703.19x = 474,317,453.92
  5. Step 5: Solve for x
    x = 474,317,453.92/22,703.19
  6. Step 6: Final answer
    x = 20,892.11

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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.