Home / 22,603.32-31,191.48-13,171.68

Finding the Fourth Proportional to 22,603.32, 31,191.48 and 13,171.68

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Solution

The fourth proportional to 22,603.32, 31,191.48 and 13,171.68 is: 18,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.32 : 31,191.48 = 13,171.68 : x
  2. Step 2: Convert to fraction form
    22,603.32/31,191.48 = 13,171.68/x
  3. Step 3: Cross multiply
    22,603.32x = 31,191.48 × 13,171.68
  4. Step 4: Simplify right side
    22,603.32x = 410,844,193.29
  5. Step 5: Solve for x
    x = 410,844,193.29/22,603.32
  6. Step 6: Final answer
    x = 18,176.28

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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.