Home / 15,176.48-20,943.47-8,462.18

Finding the Fourth Proportional to 15,176.48, 20,943.47 and 8,462.18

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Solution

The fourth proportional to 15,176.48, 20,943.47 and 8,462.18 is: 11,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.48 : 20,943.47 = 8,462.18 : x
  2. Step 2: Convert to fraction form
    15,176.48/20,943.47 = 8,462.18/x
  3. Step 3: Cross multiply
    15,176.48x = 20,943.47 × 8,462.18
  4. Step 4: Simplify right side
    15,176.48x = 177,227,265.94
  5. Step 5: Solve for x
    x = 177,227,265.94/15,176.48
  6. Step 6: Final answer
    x = 11,677.76

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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.