Home / 18,306.51-25,261.88-11,834.71

Finding the Fourth Proportional to 18,306.51, 25,261.88 and 11,834.71

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Solution

The fourth proportional to 18,306.51, 25,261.88 and 11,834.71 is: 16,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.51 : 25,261.88 = 11,834.71 : x
  2. Step 2: Convert to fraction form
    18,306.51/25,261.88 = 11,834.71/x
  3. Step 3: Cross multiply
    18,306.51x = 25,261.88 × 11,834.71
  4. Step 4: Simplify right side
    18,306.51x = 298,966,901.53
  5. Step 5: Solve for x
    x = 298,966,901.53/18,306.51
  6. Step 6: Final answer
    x = 16,331.18

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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.