Home / 18,200.77-25,119.47-10,244.55

Finding the Fourth Proportional to 18,200.77, 25,119.47 and 10,244.55

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Solution

The fourth proportional to 18,200.77, 25,119.47 and 10,244.55 is: 14,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.77 : 25,119.47 = 10,244.55 : x
  2. Step 2: Convert to fraction form
    18,200.77/25,119.47 = 10,244.55/x
  3. Step 3: Cross multiply
    18,200.77x = 25,119.47 × 10,244.55
  4. Step 4: Simplify right side
    18,200.77x = 257,337,666.39
  5. Step 5: Solve for x
    x = 257,337,666.39/18,200.77
  6. Step 6: Final answer
    x = 14,138.83

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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.