Home / 15,180.35-22,756.64-5,314.23

Finding the Fourth Proportional to 15,180.35, 22,756.64 and 5,314.23

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Solution

The fourth proportional to 15,180.35, 22,756.64 and 5,314.23 is: 7,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.35 : 22,756.64 = 5,314.23 : x
  2. Step 2: Convert to fraction form
    15,180.35/22,756.64 = 5,314.23/x
  3. Step 3: Cross multiply
    15,180.35x = 22,756.64 × 5,314.23
  4. Step 4: Simplify right side
    15,180.35x = 120,933,992.42
  5. Step 5: Solve for x
    x = 120,933,992.42/15,180.35
  6. Step 6: Final answer
    x = 7,966.49

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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.