Home / 22,776.48-31,395.60-17,177.76

Finding the Fourth Proportional to 22,776.48, 31,395.60 and 17,177.76

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Solution

The fourth proportional to 22,776.48, 31,395.60 and 17,177.76 is: 23,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.48 : 31,395.60 = 17,177.76 : x
  2. Step 2: Convert to fraction form
    22,776.48/31,395.60 = 17,177.76/x
  3. Step 3: Cross multiply
    22,776.48x = 31,395.60 × 17,177.76
  4. Step 4: Simplify right side
    22,776.48x = 539,306,081.86
  5. Step 5: Solve for x
    x = 539,306,081.86/22,776.48
  6. Step 6: Final answer
    x = 23,678.20

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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.