Home / 15,515.33-23,273.76-4,423.65

Finding the Fourth Proportional to 15,515.33, 23,273.76 and 4,423.65

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Solution

The fourth proportional to 15,515.33, 23,273.76 and 4,423.65 is: 6,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.33 : 23,273.76 = 4,423.65 : x
  2. Step 2: Convert to fraction form
    15,515.33/23,273.76 = 4,423.65/x
  3. Step 3: Cross multiply
    15,515.33x = 23,273.76 × 4,423.65
  4. Step 4: Simplify right side
    15,515.33x = 102,955,094.11
  5. Step 5: Solve for x
    x = 102,955,094.11/15,515.33
  6. Step 6: Final answer
    x = 6,635.70

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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.