Home / 19,937.36-27,510.54-11,322.20

Finding the Fourth Proportional to 19,937.36, 27,510.54 and 11,322.20

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Solution

The fourth proportional to 19,937.36, 27,510.54 and 11,322.20 is: 15,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.36 : 27,510.54 = 11,322.20 : x
  2. Step 2: Convert to fraction form
    19,937.36/27,510.54 = 11,322.20/x
  3. Step 3: Cross multiply
    19,937.36x = 27,510.54 × 11,322.20
  4. Step 4: Simplify right side
    19,937.36x = 311,479,698.44
  5. Step 5: Solve for x
    x = 311,479,698.44/19,937.36
  6. Step 6: Final answer
    x = 15,622.92

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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.