Home / 15,780.60-23,671.80-4,093.52

Finding the Fourth Proportional to 15,780.60, 23,671.80 and 4,093.52

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Solution

The fourth proportional to 15,780.60, 23,671.80 and 4,093.52 is: 6,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.60 : 23,671.80 = 4,093.52 : x
  2. Step 2: Convert to fraction form
    15,780.60/23,671.80 = 4,093.52/x
  3. Step 3: Cross multiply
    15,780.60x = 23,671.80 × 4,093.52
  4. Step 4: Simplify right side
    15,780.60x = 96,900,986.74
  5. Step 5: Solve for x
    x = 96,900,986.74/15,780.60
  6. Step 6: Final answer
    x = 6,140.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.