Home / 15,517.09-23,275.74-4,423.75

Finding the Fourth Proportional to 15,517.09, 23,275.74 and 4,423.75

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Solution

The fourth proportional to 15,517.09, 23,275.74 and 4,423.75 is: 6,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.09 : 23,275.74 = 4,423.75 : x
  2. Step 2: Convert to fraction form
    15,517.09/23,275.74 = 4,423.75/x
  3. Step 3: Cross multiply
    15,517.09x = 23,275.74 × 4,423.75
  4. Step 4: Simplify right side
    15,517.09x = 102,966,054.83
  5. Step 5: Solve for x
    x = 102,966,054.83/15,517.09
  6. Step 6: Final answer
    x = 6,635.65

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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.