Home / 22,702.75-31,329.93-13,269.49

Finding the Fourth Proportional to 22,702.75, 31,329.93 and 13,269.49

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Solution

The fourth proportional to 22,702.75, 31,329.93 and 13,269.49 is: 18,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.75 : 31,329.93 = 13,269.49 : x
  2. Step 2: Convert to fraction form
    22,702.75/31,329.93 = 13,269.49/x
  3. Step 3: Cross multiply
    22,702.75x = 31,329.93 × 13,269.49
  4. Step 4: Simplify right side
    22,702.75x = 415,732,192.84
  5. Step 5: Solve for x
    x = 415,732,192.84/22,702.75
  6. Step 6: Final answer
    x = 18,311.98

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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.