Home / 18,148.48-27,215.69-7,053.71

Finding the Fourth Proportional to 18,148.48, 27,215.69 and 7,053.71

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Solution

The fourth proportional to 18,148.48, 27,215.69 and 7,053.71 is: 10,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.48 : 27,215.69 = 7,053.71 : x
  2. Step 2: Convert to fraction form
    18,148.48/27,215.69 = 7,053.71/x
  3. Step 3: Cross multiply
    18,148.48x = 27,215.69 × 7,053.71
  4. Step 4: Simplify right side
    18,148.48x = 191,971,549.44
  5. Step 5: Solve for x
    x = 191,971,549.44/18,148.48
  6. Step 6: Final answer
    x = 10,577.83

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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.