Home / 18,217.14-25,139.73-10,259.50

Finding the Fourth Proportional to 18,217.14, 25,139.73 and 10,259.50

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Solution

The fourth proportional to 18,217.14, 25,139.73 and 10,259.50 is: 14,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.14 : 25,139.73 = 10,259.50 : x
  2. Step 2: Convert to fraction form
    18,217.14/25,139.73 = 10,259.50/x
  3. Step 3: Cross multiply
    18,217.14x = 25,139.73 × 10,259.50
  4. Step 4: Simplify right side
    18,217.14x = 257,921,059.94
  5. Step 5: Solve for x
    x = 257,921,059.94/18,217.14
  6. Step 6: Final answer
    x = 14,158.15

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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.