Home / 25,853.51-38,780.42-9,214.18

Finding the Fourth Proportional to 25,853.51, 38,780.42 and 9,214.18

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Solution

The fourth proportional to 25,853.51, 38,780.42 and 9,214.18 is: 13,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.51 : 38,780.42 = 9,214.18 : x
  2. Step 2: Convert to fraction form
    25,853.51/38,780.42 = 9,214.18/x
  3. Step 3: Cross multiply
    25,853.51x = 38,780.42 × 9,214.18
  4. Step 4: Simplify right side
    25,853.51x = 357,329,770.36
  5. Step 5: Solve for x
    x = 357,329,770.36/25,853.51
  6. Step 6: Final answer
    x = 13,821.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.