Home / 25,885.60-35,679.11-18,322.23

Finding the Fourth Proportional to 25,885.60, 35,679.11 and 18,322.23

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Solution

The fourth proportional to 25,885.60, 35,679.11 and 18,322.23 is: 25,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.60 : 35,679.11 = 18,322.23 : x
  2. Step 2: Convert to fraction form
    25,885.60/35,679.11 = 18,322.23/x
  3. Step 3: Cross multiply
    25,885.60x = 35,679.11 × 18,322.23
  4. Step 4: Simplify right side
    25,885.60x = 653,720,859.62
  5. Step 5: Solve for x
    x = 653,720,859.62/25,885.60
  6. Step 6: Final answer
    x = 25,254.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.