Home / 13,582.77-18,724.56-9,537.27

Finding the Fourth Proportional to 13,582.77, 18,724.56 and 9,537.27

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Solution

The fourth proportional to 13,582.77, 18,724.56 and 9,537.27 is: 13,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.77 : 18,724.56 = 9,537.27 : x
  2. Step 2: Convert to fraction form
    13,582.77/18,724.56 = 9,537.27/x
  3. Step 3: Cross multiply
    13,582.77x = 18,724.56 × 9,537.27
  4. Step 4: Simplify right side
    13,582.77x = 178,581,184.35
  5. Step 5: Solve for x
    x = 178,581,184.35/13,582.77
  6. Step 6: Final answer
    x = 13,147.63

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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.