Home / 25,393.10-35,034.53-14,780.75

Finding the Fourth Proportional to 25,393.10, 35,034.53 and 14,780.75

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Solution

The fourth proportional to 25,393.10, 35,034.53 and 14,780.75 is: 20,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.10 : 35,034.53 = 14,780.75 : x
  2. Step 2: Convert to fraction form
    25,393.10/35,034.53 = 14,780.75/x
  3. Step 3: Cross multiply
    25,393.10x = 35,034.53 × 14,780.75
  4. Step 4: Simplify right side
    25,393.10x = 517,836,380.22
  5. Step 5: Solve for x
    x = 517,836,380.22/25,393.10
  6. Step 6: Final answer
    x = 20,392.80

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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.