Home / 18,764.48-25,895.36-10,381.12

Finding the Fourth Proportional to 18,764.48, 25,895.36 and 10,381.12

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Solution

The fourth proportional to 18,764.48, 25,895.36 and 10,381.12 is: 14,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.48 : 25,895.36 = 10,381.12 : x
  2. Step 2: Convert to fraction form
    18,764.48/25,895.36 = 10,381.12/x
  3. Step 3: Cross multiply
    18,764.48x = 25,895.36 × 10,381.12
  4. Step 4: Simplify right side
    18,764.48x = 268,822,839.60
  5. Step 5: Solve for x
    x = 268,822,839.60/18,764.48
  6. Step 6: Final answer
    x = 14,326.15

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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.