Home / 21,702.34-32,519.85-15,051.81

Finding the Fourth Proportional to 21,702.34, 32,519.85 and 15,051.81

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Solution

The fourth proportional to 21,702.34, 32,519.85 and 15,051.81 is: 22,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.34 : 32,519.85 = 15,051.81 : x
  2. Step 2: Convert to fraction form
    21,702.34/32,519.85 = 15,051.81/x
  3. Step 3: Cross multiply
    21,702.34x = 32,519.85 × 15,051.81
  4. Step 4: Simplify right side
    21,702.34x = 489,482,365.57
  5. Step 5: Solve for x
    x = 489,482,365.57/21,702.34
  6. Step 6: Final answer
    x = 22,554.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.