Home / 25,693.67-35,434.22-21,401.02

Finding the Fourth Proportional to 25,693.67, 35,434.22 and 21,401.02

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Solution

The fourth proportional to 25,693.67, 35,434.22 and 21,401.02 is: 29,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.67 : 35,434.22 = 21,401.02 : x
  2. Step 2: Convert to fraction form
    25,693.67/35,434.22 = 21,401.02/x
  3. Step 3: Cross multiply
    25,693.67x = 35,434.22 × 21,401.02
  4. Step 4: Simplify right side
    25,693.67x = 758,328,415.82
  5. Step 5: Solve for x
    x = 758,328,415.82/25,693.67
  6. Step 6: Final answer
    x = 29,514.22

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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.