Home / 22,870.53-31,552.07-13,910.85

Finding the Fourth Proportional to 22,870.53, 31,552.07 and 13,910.85

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Solution

The fourth proportional to 22,870.53, 31,552.07 and 13,910.85 is: 19,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.53 : 31,552.07 = 13,910.85 : x
  2. Step 2: Convert to fraction form
    22,870.53/31,552.07 = 13,910.85/x
  3. Step 3: Cross multiply
    22,870.53x = 31,552.07 × 13,910.85
  4. Step 4: Simplify right side
    22,870.53x = 438,916,043.41
  5. Step 5: Solve for x
    x = 438,916,043.41/22,870.53
  6. Step 6: Final answer
    x = 19,191.34

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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.