Home / 13,398.36-20,100.30-4,632.12

Finding the Fourth Proportional to 13,398.36, 20,100.30 and 4,632.12

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Solution

The fourth proportional to 13,398.36, 20,100.30 and 4,632.12 is: 6,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.36 : 20,100.30 = 4,632.12 : x
  2. Step 2: Convert to fraction form
    13,398.36/20,100.30 = 4,632.12/x
  3. Step 3: Cross multiply
    13,398.36x = 20,100.30 × 4,632.12
  4. Step 4: Simplify right side
    13,398.36x = 93,107,001.64
  5. Step 5: Solve for x
    x = 93,107,001.64/13,398.36
  6. Step 6: Final answer
    x = 6,949.13

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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.