Home / 15,147.81-22,728.33-5,294.16

Finding the Fourth Proportional to 15,147.81, 22,728.33 and 5,294.16

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Solution

The fourth proportional to 15,147.81, 22,728.33 and 5,294.16 is: 7,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.81 : 22,728.33 = 5,294.16 : x
  2. Step 2: Convert to fraction form
    15,147.81/22,728.33 = 5,294.16/x
  3. Step 3: Cross multiply
    15,147.81x = 22,728.33 × 5,294.16
  4. Step 4: Simplify right side
    15,147.81x = 120,327,415.55
  5. Step 5: Solve for x
    x = 120,327,415.55/15,147.81
  6. Step 6: Final answer
    x = 7,943.55

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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.