Home / 25,115.67-34,659.48-13,784.88

Finding the Fourth Proportional to 25,115.67, 34,659.48 and 13,784.88

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Solution

The fourth proportional to 25,115.67, 34,659.48 and 13,784.88 is: 19,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.67 : 34,659.48 = 13,784.88 : x
  2. Step 2: Convert to fraction form
    25,115.67/34,659.48 = 13,784.88/x
  3. Step 3: Cross multiply
    25,115.67x = 34,659.48 × 13,784.88
  4. Step 4: Simplify right side
    25,115.67x = 477,776,772.66
  5. Step 5: Solve for x
    x = 477,776,772.66/25,115.67
  6. Step 6: Final answer
    x = 19,023.06

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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.