Home / 15,132.96-22,703.28-4,744.80

Finding the Fourth Proportional to 15,132.96, 22,703.28 and 4,744.80

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Solution

The fourth proportional to 15,132.96, 22,703.28 and 4,744.80 is: 7,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.96 : 22,703.28 = 4,744.80 : x
  2. Step 2: Convert to fraction form
    15,132.96/22,703.28 = 4,744.80/x
  3. Step 3: Cross multiply
    15,132.96x = 22,703.28 × 4,744.80
  4. Step 4: Simplify right side
    15,132.96x = 107,722,522.94
  5. Step 5: Solve for x
    x = 107,722,522.94/15,132.96
  6. Step 6: Final answer
    x = 7,118.40

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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.