Home / 18,255.15-25,191.59-10,189.04

Finding the Fourth Proportional to 18,255.15, 25,191.59 and 10,189.04

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Solution

The fourth proportional to 18,255.15, 25,191.59 and 10,189.04 is: 14,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.15 : 25,191.59 = 10,189.04 : x
  2. Step 2: Convert to fraction form
    18,255.15/25,191.59 = 10,189.04/x
  3. Step 3: Cross multiply
    18,255.15x = 25,191.59 × 10,189.04
  4. Step 4: Simplify right side
    18,255.15x = 256,677,941.27
  5. Step 5: Solve for x
    x = 256,677,941.27/18,255.15
  6. Step 6: Final answer
    x = 14,060.58

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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.