Home / 15,780.66-23,568.68-14,296.92

Finding the Fourth Proportional to 15,780.66, 23,568.68 and 14,296.92

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Solution

The fourth proportional to 15,780.66, 23,568.68 and 14,296.92 is: 21,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.66 : 23,568.68 = 14,296.92 : x
  2. Step 2: Convert to fraction form
    15,780.66/23,568.68 = 14,296.92/x
  3. Step 3: Cross multiply
    15,780.66x = 23,568.68 × 14,296.92
  4. Step 4: Simplify right side
    15,780.66x = 336,959,460.98
  5. Step 5: Solve for x
    x = 336,959,460.98/15,780.66
  6. Step 6: Final answer
    x = 21,352.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.