Home / 19,630.38-29,406.06-9,085.56

Finding the Fourth Proportional to 19,630.38, 29,406.06 and 9,085.56

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Solution

The fourth proportional to 19,630.38, 29,406.06 and 9,085.56 is: 13,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.38 : 29,406.06 = 9,085.56 : x
  2. Step 2: Convert to fraction form
    19,630.38/29,406.06 = 9,085.56/x
  3. Step 3: Cross multiply
    19,630.38x = 29,406.06 × 9,085.56
  4. Step 4: Simplify right side
    19,630.38x = 267,170,522.49
  5. Step 5: Solve for x
    x = 267,170,522.49/19,630.38
  6. Step 6: Final answer
    x = 13,610.05

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1.5x scale

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.