Home / 21,702.12-32,557.50-9,222.02

Finding the Fourth Proportional to 21,702.12, 32,557.50 and 9,222.02

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Solution

The fourth proportional to 21,702.12, 32,557.50 and 9,222.02 is: 13,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.12 : 32,557.50 = 9,222.02 : x
  2. Step 2: Convert to fraction form
    21,702.12/32,557.50 = 9,222.02/x
  3. Step 3: Cross multiply
    21,702.12x = 32,557.50 × 9,222.02
  4. Step 4: Simplify right side
    21,702.12x = 300,245,916.15
  5. Step 5: Solve for x
    x = 300,245,916.15/21,702.12
  6. Step 6: Final answer
    x = 13,834.87

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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.