Home / 18,713.13-25,824.88-10,215.82

Finding the Fourth Proportional to 18,713.13, 25,824.88 and 10,215.82

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Solution

The fourth proportional to 18,713.13, 25,824.88 and 10,215.82 is: 14,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.13 : 25,824.88 = 10,215.82 : x
  2. Step 2: Convert to fraction form
    18,713.13/25,824.88 = 10,215.82/x
  3. Step 3: Cross multiply
    18,713.13x = 25,824.88 × 10,215.82
  4. Step 4: Simplify right side
    18,713.13x = 263,822,313.19
  5. Step 5: Solve for x
    x = 263,822,313.19/18,713.13
  6. Step 6: Final answer
    x = 14,098.25

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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.