Home / 18,133.72-27,195.10-7,037.93

Finding the Fourth Proportional to 18,133.72, 27,195.10 and 7,037.93

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Solution

The fourth proportional to 18,133.72, 27,195.10 and 7,037.93 is: 10,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.72 : 27,195.10 = 7,037.93 : x
  2. Step 2: Convert to fraction form
    18,133.72/27,195.10 = 7,037.93/x
  3. Step 3: Cross multiply
    18,133.72x = 27,195.10 × 7,037.93
  4. Step 4: Simplify right side
    18,133.72x = 191,397,210.14
  5. Step 5: Solve for x
    x = 191,397,210.14/18,133.72
  6. Step 6: Final answer
    x = 10,554.77

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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.