Home / 15,147.48-22,724.10-4,762.20

Finding the Fourth Proportional to 15,147.48, 22,724.10 and 4,762.20

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Solution

The fourth proportional to 15,147.48, 22,724.10 and 4,762.20 is: 7,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.48 : 22,724.10 = 4,762.20 : x
  2. Step 2: Convert to fraction form
    15,147.48/22,724.10 = 4,762.20/x
  3. Step 3: Cross multiply
    15,147.48x = 22,724.10 × 4,762.20
  4. Step 4: Simplify right side
    15,147.48x = 108,216,709.02
  5. Step 5: Solve for x
    x = 108,216,709.02/15,147.48
  6. Step 6: Final answer
    x = 7,144.21

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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.