Home / 18,125.75-25,013.57-10,059.15

Finding the Fourth Proportional to 18,125.75, 25,013.57 and 10,059.15

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Solution

The fourth proportional to 18,125.75, 25,013.57 and 10,059.15 is: 13,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.75 : 25,013.57 = 10,059.15 : x
  2. Step 2: Convert to fraction form
    18,125.75/25,013.57 = 10,059.15/x
  3. Step 3: Cross multiply
    18,125.75x = 25,013.57 × 10,059.15
  4. Step 4: Simplify right side
    18,125.75x = 251,615,296.17
  5. Step 5: Solve for x
    x = 251,615,296.17/18,125.75
  6. Step 6: Final answer
    x = 13,881.65

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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.