Home / 18,306.71-25,263.18-10,240.37

Finding the Fourth Proportional to 18,306.71, 25,263.18 and 10,240.37

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Solution

The fourth proportional to 18,306.71, 25,263.18 and 10,240.37 is: 14,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.71 : 25,263.18 = 10,240.37 : x
  2. Step 2: Convert to fraction form
    18,306.71/25,263.18 = 10,240.37/x
  3. Step 3: Cross multiply
    18,306.71x = 25,263.18 × 10,240.37
  4. Step 4: Simplify right side
    18,306.71x = 258,704,184.26
  5. Step 5: Solve for x
    x = 258,704,184.26/18,306.71
  6. Step 6: Final answer
    x = 14,131.66

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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.