Home / 18,124.43-25,016.85-10,953.14

Finding the Fourth Proportional to 18,124.43, 25,016.85 and 10,953.14

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Solution

The fourth proportional to 18,124.43, 25,016.85 and 10,953.14 is: 15,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.43 : 25,016.85 = 10,953.14 : x
  2. Step 2: Convert to fraction form
    18,124.43/25,016.85 = 10,953.14/x
  3. Step 3: Cross multiply
    18,124.43x = 25,016.85 × 10,953.14
  4. Step 4: Simplify right side
    18,124.43x = 274,012,935.32
  5. Step 5: Solve for x
    x = 274,012,935.32/18,124.43
  6. Step 6: Final answer
    x = 15,118.43

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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.