Home / 25,500.81-38,235.56-8,853.69

Finding the Fourth Proportional to 25,500.81, 38,235.56 and 8,853.69

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Solution

The fourth proportional to 25,500.81, 38,235.56 and 8,853.69 is: 13,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.81 : 38,235.56 = 8,853.69 : x
  2. Step 2: Convert to fraction form
    25,500.81/38,235.56 = 8,853.69/x
  3. Step 3: Cross multiply
    25,500.81x = 38,235.56 × 8,853.69
  4. Step 4: Simplify right side
    25,500.81x = 338,525,750.95
  5. Step 5: Solve for x
    x = 338,525,750.95/25,500.81
  6. Step 6: Final answer
    x = 13,275.10

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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.