Home / 25,079.83-34,609.25-13,749.08

Finding the Fourth Proportional to 25,079.83, 34,609.25 and 13,749.08

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Solution

The fourth proportional to 25,079.83, 34,609.25 and 13,749.08 is: 18,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,079.83 : 34,609.25 = 13,749.08 : x
  2. Step 2: Convert to fraction form
    25,079.83/34,609.25 = 13,749.08/x
  3. Step 3: Cross multiply
    25,079.83x = 34,609.25 × 13,749.08
  4. Step 4: Simplify right side
    25,079.83x = 475,845,105.20
  5. Step 5: Solve for x
    x = 475,845,105.20/25,079.83
  6. Step 6: Final answer
    x = 18,973.22

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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.