Home / 25,587.22-38,381.55-7,119.22

Finding the Fourth Proportional to 25,587.22, 38,381.55 and 7,119.22

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Solution

The fourth proportional to 25,587.22, 38,381.55 and 7,119.22 is: 10,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.22 : 38,381.55 = 7,119.22 : x
  2. Step 2: Convert to fraction form
    25,587.22/38,381.55 = 7,119.22/x
  3. Step 3: Cross multiply
    25,587.22x = 38,381.55 × 7,119.22
  4. Step 4: Simplify right side
    25,587.22x = 273,246,698.39
  5. Step 5: Solve for x
    x = 273,246,698.39/25,587.22
  6. Step 6: Final answer
    x = 10,679.03

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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.