Home / 18,026.64-27,053.56-11,785.04

Finding the Fourth Proportional to 18,026.64, 27,053.56 and 11,785.04

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Solution

The fourth proportional to 18,026.64, 27,053.56 and 11,785.04 is: 17,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.64 : 27,053.56 = 11,785.04 : x
  2. Step 2: Convert to fraction form
    18,026.64/27,053.56 = 11,785.04/x
  3. Step 3: Cross multiply
    18,026.64x = 27,053.56 × 11,785.04
  4. Step 4: Simplify right side
    18,026.64x = 318,827,286.74
  5. Step 5: Solve for x
    x = 318,827,286.74/18,026.64
  6. Step 6: Final answer
    x = 17,686.45

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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.