Home / 15,255.28-22,879.12-10,355.32

Finding the Fourth Proportional to 15,255.28, 22,879.12 and 10,355.32

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Solution

The fourth proportional to 15,255.28, 22,879.12 and 10,355.32 is: 15,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.28 : 22,879.12 = 10,355.32 : x
  2. Step 2: Convert to fraction form
    15,255.28/22,879.12 = 10,355.32/x
  3. Step 3: Cross multiply
    15,255.28x = 22,879.12 × 10,355.32
  4. Step 4: Simplify right side
    15,255.28x = 236,920,608.92
  5. Step 5: Solve for x
    x = 236,920,608.92/15,255.28
  6. Step 6: Final answer
    x = 15,530.40

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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.