Home / 21,953.55-32,907.19-9,470.64

Finding the Fourth Proportional to 21,953.55, 32,907.19 and 9,470.64

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Solution

The fourth proportional to 21,953.55, 32,907.19 and 9,470.64 is: 14,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.55 : 32,907.19 = 9,470.64 : x
  2. Step 2: Convert to fraction form
    21,953.55/32,907.19 = 9,470.64/x
  3. Step 3: Cross multiply
    21,953.55x = 32,907.19 × 9,470.64
  4. Step 4: Simplify right side
    21,953.55x = 311,652,149.90
  5. Step 5: Solve for x
    x = 311,652,149.90/21,953.55
  6. Step 6: Final answer
    x = 14,195.98

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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.