Home / 13,582.35-20,396.16-9,168.48

Finding the Fourth Proportional to 13,582.35, 20,396.16 and 9,168.48

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Solution

The fourth proportional to 13,582.35, 20,396.16 and 9,168.48 is: 13,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.35 : 20,396.16 = 9,168.48 : x
  2. Step 2: Convert to fraction form
    13,582.35/20,396.16 = 9,168.48/x
  3. Step 3: Cross multiply
    13,582.35x = 20,396.16 × 9,168.48
  4. Step 4: Simplify right side
    13,582.35x = 187,001,785.04
  5. Step 5: Solve for x
    x = 187,001,785.04/13,582.35
  6. Step 6: Final answer
    x = 13,768.00

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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.