Home / 15,024.35-20,733.62-8,218.46

Finding the Fourth Proportional to 15,024.35, 20,733.62 and 8,218.46

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Solution

The fourth proportional to 15,024.35, 20,733.62 and 8,218.46 is: 11,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.35 : 20,733.62 = 8,218.46 : x
  2. Step 2: Convert to fraction form
    15,024.35/20,733.62 = 8,218.46/x
  3. Step 3: Cross multiply
    15,024.35x = 20,733.62 × 8,218.46
  4. Step 4: Simplify right side
    15,024.35x = 170,398,281.86
  5. Step 5: Solve for x
    x = 170,398,281.86/15,024.35
  6. Step 6: Final answer
    x = 11,341.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.