Home / 18,769.22-25,901.52-10,385.72

Finding the Fourth Proportional to 18,769.22, 25,901.52 and 10,385.72

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Solution

The fourth proportional to 18,769.22, 25,901.52 and 10,385.72 is: 14,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.22 : 25,901.52 = 10,385.72 : x
  2. Step 2: Convert to fraction form
    18,769.22/25,901.52 = 10,385.72/x
  3. Step 3: Cross multiply
    18,769.22x = 25,901.52 × 10,385.72
  4. Step 4: Simplify right side
    18,769.22x = 269,005,921.39
  5. Step 5: Solve for x
    x = 269,005,921.39/18,769.22
  6. Step 6: Final answer
    x = 14,332.29

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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.