Home / 25,717.12-38,580.24-9,086.80

Finding the Fourth Proportional to 25,717.12, 38,580.24 and 9,086.80

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Solution

The fourth proportional to 25,717.12, 38,580.24 and 9,086.80 is: 13,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.12 : 38,580.24 = 9,086.80 : x
  2. Step 2: Convert to fraction form
    25,717.12/38,580.24 = 9,086.80/x
  3. Step 3: Cross multiply
    25,717.12x = 38,580.24 × 9,086.80
  4. Step 4: Simplify right side
    25,717.12x = 350,570,924.83
  5. Step 5: Solve for x
    x = 350,570,924.83/25,717.12
  6. Step 6: Final answer
    x = 13,631.81

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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.