Home / 15,426.74-23,149.37-6,661.65

Finding the Fourth Proportional to 15,426.74, 23,149.37 and 6,661.65

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Solution

The fourth proportional to 15,426.74, 23,149.37 and 6,661.65 is: 9,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.74 : 23,149.37 = 6,661.65 : x
  2. Step 2: Convert to fraction form
    15,426.74/23,149.37 = 6,661.65/x
  3. Step 3: Cross multiply
    15,426.74x = 23,149.37 × 6,661.65
  4. Step 4: Simplify right side
    15,426.74x = 154,212,967.35
  5. Step 5: Solve for x
    x = 154,212,967.35/15,426.74
  6. Step 6: Final answer
    x = 9,996.47

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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.