Home / 13,582.86-18,744.66-7,614.24

Finding the Fourth Proportional to 13,582.86, 18,744.66 and 7,614.24

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Solution

The fourth proportional to 13,582.86, 18,744.66 and 7,614.24 is: 10,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.86 : 18,744.66 = 7,614.24 : x
  2. Step 2: Convert to fraction form
    13,582.86/18,744.66 = 7,614.24/x
  3. Step 3: Cross multiply
    13,582.86x = 18,744.66 × 7,614.24
  4. Step 4: Simplify right side
    13,582.86x = 142,726,339.96
  5. Step 5: Solve for x
    x = 142,726,339.96/13,582.86
  6. Step 6: Final answer
    x = 10,507.83

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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.