Home / 25,154.87-34,714.60-13,825.40

Finding the Fourth Proportional to 25,154.87, 34,714.60 and 13,825.40

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Solution

The fourth proportional to 25,154.87, 34,714.60 and 13,825.40 is: 19,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.87 : 34,714.60 = 13,825.40 : x
  2. Step 2: Convert to fraction form
    25,154.87/34,714.60 = 13,825.40/x
  3. Step 3: Cross multiply
    25,154.87x = 34,714.60 × 13,825.40
  4. Step 4: Simplify right side
    25,154.87x = 479,943,230.84
  5. Step 5: Solve for x
    x = 479,943,230.84/25,154.87
  6. Step 6: Final answer
    x = 19,079.54

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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.