Home / 25,645.89-35,393.11-14,317.61

Finding the Fourth Proportional to 25,645.89, 35,393.11 and 14,317.61

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Solution

The fourth proportional to 25,645.89, 35,393.11 and 14,317.61 is: 19,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.89 : 35,393.11 = 14,317.61 : x
  2. Step 2: Convert to fraction form
    25,645.89/35,393.11 = 14,317.61/x
  3. Step 3: Cross multiply
    25,645.89x = 35,393.11 × 14,317.61
  4. Step 4: Simplify right side
    25,645.89x = 506,744,798.36
  5. Step 5: Solve for x
    x = 506,744,798.36/25,645.89
  6. Step 6: Final answer
    x = 19,759.30

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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.