Home / 13,423.03-18,523.46-7,454.65

Finding the Fourth Proportional to 13,423.03, 18,523.46 and 7,454.65

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Solution

The fourth proportional to 13,423.03, 18,523.46 and 7,454.65 is: 10,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.03 : 18,523.46 = 7,454.65 : x
  2. Step 2: Convert to fraction form
    13,423.03/18,523.46 = 7,454.65/x
  3. Step 3: Cross multiply
    13,423.03x = 18,523.46 × 7,454.65
  4. Step 4: Simplify right side
    13,423.03x = 138,085,846.14
  5. Step 5: Solve for x
    x = 138,085,846.14/13,423.03
  6. Step 6: Final answer
    x = 10,287.23

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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.