Home / 25,155.06-34,714.75-13,825.71

Finding the Fourth Proportional to 25,155.06, 34,714.75 and 13,825.71

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Solution

The fourth proportional to 25,155.06, 34,714.75 and 13,825.71 is: 19,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.06 : 34,714.75 = 13,825.71 : x
  2. Step 2: Convert to fraction form
    25,155.06/34,714.75 = 13,825.71/x
  3. Step 3: Cross multiply
    25,155.06x = 34,714.75 × 13,825.71
  4. Step 4: Simplify right side
    25,155.06x = 479,956,194.10
  5. Step 5: Solve for x
    x = 479,956,194.10/25,155.06
  6. Step 6: Final answer
    x = 19,079.91

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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.