Home / 22,914.40-31,608.24-13,480.96

Finding the Fourth Proportional to 22,914.40, 31,608.24 and 13,480.96

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Solution

The fourth proportional to 22,914.40, 31,608.24 and 13,480.96 is: 18,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914.40 : 31,608.24 = 13,480.96 : x
  2. Step 2: Convert to fraction form
    22,914.40/31,608.24 = 13,480.96/x
  3. Step 3: Cross multiply
    22,914.40x = 31,608.24 × 13,480.96
  4. Step 4: Simplify right side
    22,914.40x = 426,109,419.11
  5. Step 5: Solve for x
    x = 426,109,419.11/22,914.40
  6. Step 6: Final answer
    x = 18,595.70

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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.