Home / 25,383.96-35,029.80-14,780.61

Finding the Fourth Proportional to 25,383.96, 35,029.80 and 14,780.61

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Solution

The fourth proportional to 25,383.96, 35,029.80 and 14,780.61 is: 20,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.96 : 35,029.80 = 14,780.61 : x
  2. Step 2: Convert to fraction form
    25,383.96/35,029.80 = 14,780.61/x
  3. Step 3: Cross multiply
    25,383.96x = 35,029.80 × 14,780.61
  4. Step 4: Simplify right side
    25,383.96x = 517,761,812.18
  5. Step 5: Solve for x
    x = 517,761,812.18/25,383.96
  6. Step 6: Final answer
    x = 20,397.20

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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.