Home / 15,129.75-22,695.23-5,270.02

Finding the Fourth Proportional to 15,129.75, 22,695.23 and 5,270.02

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Solution

The fourth proportional to 15,129.75, 22,695.23 and 5,270.02 is: 7,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.75 : 22,695.23 = 5,270.02 : x
  2. Step 2: Convert to fraction form
    15,129.75/22,695.23 = 5,270.02/x
  3. Step 3: Cross multiply
    15,129.75x = 22,695.23 × 5,270.02
  4. Step 4: Simplify right side
    15,129.75x = 119,604,316.00
  5. Step 5: Solve for x
    x = 119,604,316.00/15,129.75
  6. Step 6: Final answer
    x = 7,905.24

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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.