Home / 13,582.77-20,374.16-3,722.13

Finding the Fourth Proportional to 13,582.77, 20,374.16 and 3,722.13

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Solution

The fourth proportional to 13,582.77, 20,374.16 and 3,722.13 is: 5,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.77 : 20,374.16 = 3,722.13 : x
  2. Step 2: Convert to fraction form
    13,582.77/20,374.16 = 3,722.13/x
  3. Step 3: Cross multiply
    13,582.77x = 20,374.16 × 3,722.13
  4. Step 4: Simplify right side
    13,582.77x = 75,835,253.55
  5. Step 5: Solve for x
    x = 75,835,253.55/13,582.77
  6. Step 6: Final answer
    x = 5,583.20

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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.