Home / 53,724.84-80,587.52-18,186.48

Finding the Fourth Proportional to 53,724.84, 80,587.52 and 18,186.48

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Solution

The fourth proportional to 53,724.84, 80,587.52 and 18,186.48 is: 27,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724.84 : 80,587.52 = 18,186.48 : x
  2. Step 2: Convert to fraction form
    53,724.84/80,587.52 = 18,186.48/x
  3. Step 3: Cross multiply
    53,724.84x = 80,587.52 × 18,186.48
  4. Step 4: Simplify right side
    53,724.84x = 1,465,603,320.73
  5. Step 5: Solve for x
    x = 1,465,603,320.73/53,724.84
  6. Step 6: Final answer
    x = 27,279.81

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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.