Home / 23,040.16-34,515.90-14,129.47

Finding the Fourth Proportional to 23,040.16, 34,515.90 and 14,129.47

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Solution

The fourth proportional to 23,040.16, 34,515.90 and 14,129.47 is: 21,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.16 : 34,515.90 = 14,129.47 : x
  2. Step 2: Convert to fraction form
    23,040.16/34,515.90 = 14,129.47/x
  3. Step 3: Cross multiply
    23,040.16x = 34,515.90 × 14,129.47
  4. Step 4: Simplify right side
    23,040.16x = 487,691,373.57
  5. Step 5: Solve for x
    x = 487,691,373.57/23,040.16
  6. Step 6: Final answer
    x = 21,167.01

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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.