Home / 19,937.20-27,510.12-11,552.08

Finding the Fourth Proportional to 19,937.20, 27,510.12 and 11,552.08

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Solution

The fourth proportional to 19,937.20, 27,510.12 and 11,552.08 is: 15,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.20 : 27,510.12 = 11,552.08 : x
  2. Step 2: Convert to fraction form
    19,937.20/27,510.12 = 11,552.08/x
  3. Step 3: Cross multiply
    19,937.20x = 27,510.12 × 11,552.08
  4. Step 4: Simplify right side
    19,937.20x = 317,799,107.05
  5. Step 5: Solve for x
    x = 317,799,107.05/19,937.20
  6. Step 6: Final answer
    x = 15,940.01

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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.