Home / 25,281.36-34,888.38-13,951.18

Finding the Fourth Proportional to 25,281.36, 34,888.38 and 13,951.18

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Solution

The fourth proportional to 25,281.36, 34,888.38 and 13,951.18 is: 19,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.36 : 34,888.38 = 13,951.18 : x
  2. Step 2: Convert to fraction form
    25,281.36/34,888.38 = 13,951.18/x
  3. Step 3: Cross multiply
    25,281.36x = 34,888.38 × 13,951.18
  4. Step 4: Simplify right side
    25,281.36x = 486,734,069.29
  5. Step 5: Solve for x
    x = 486,734,069.29/25,281.36
  6. Step 6: Final answer
    x = 19,252.69

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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.