Home / 13,550.22-18,699.24-7,582.14

Finding the Fourth Proportional to 13,550.22, 18,699.24 and 7,582.14

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Solution

The fourth proportional to 13,550.22, 18,699.24 and 7,582.14 is: 10,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.22 : 18,699.24 = 7,582.14 : x
  2. Step 2: Convert to fraction form
    13,550.22/18,699.24 = 7,582.14/x
  3. Step 3: Cross multiply
    13,550.22x = 18,699.24 × 7,582.14
  4. Step 4: Simplify right side
    13,550.22x = 141,780,255.57
  5. Step 5: Solve for x
    x = 141,780,255.57/13,550.22
  6. Step 6: Final answer
    x = 10,463.32

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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.