Home / 25,405.35-38,110.56-8,763.18

Finding the Fourth Proportional to 25,405.35, 38,110.56 and 8,763.18

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Solution

The fourth proportional to 25,405.35, 38,110.56 and 8,763.18 is: 13,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.35 : 38,110.56 = 8,763.18 : x
  2. Step 2: Convert to fraction form
    25,405.35/38,110.56 = 8,763.18/x
  3. Step 3: Cross multiply
    25,405.35x = 38,110.56 × 8,763.18
  4. Step 4: Simplify right side
    25,405.35x = 333,969,697.18
  5. Step 5: Solve for x
    x = 333,969,697.18/25,405.35
  6. Step 6: Final answer
    x = 13,145.64

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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.