Home / 22,702.94-31,317.10-13,625.87

Finding the Fourth Proportional to 22,702.94, 31,317.10 and 13,625.87

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Solution

The fourth proportional to 22,702.94, 31,317.10 and 13,625.87 is: 18,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.94 : 31,317.10 = 13,625.87 : x
  2. Step 2: Convert to fraction form
    22,702.94/31,317.10 = 13,625.87/x
  3. Step 3: Cross multiply
    22,702.94x = 31,317.10 × 13,625.87
  4. Step 4: Simplify right side
    22,702.94x = 426,722,777.61
  5. Step 5: Solve for x
    x = 426,722,777.61/22,702.94
  6. Step 6: Final answer
    x = 18,795.93

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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.