Home / 18,700.48-27,868.44-18,160.72

Finding the Fourth Proportional to 18,700.48, 27,868.44 and 18,160.72

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Solution

The fourth proportional to 18,700.48, 27,868.44 and 18,160.72 is: 27,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.48 : 27,868.44 = 18,160.72 : x
  2. Step 2: Convert to fraction form
    18,700.48/27,868.44 = 18,160.72/x
  3. Step 3: Cross multiply
    18,700.48x = 27,868.44 × 18,160.72
  4. Step 4: Simplify right side
    18,700.48x = 506,110,935.68
  5. Step 5: Solve for x
    x = 506,110,935.68/18,700.48
  6. Step 6: Final answer
    x = 27,064.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.