Home / 18,510.03-27,765.05-10,714.59

Finding the Fourth Proportional to 18,510.03, 27,765.05 and 10,714.59

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Solution

The fourth proportional to 18,510.03, 27,765.05 and 10,714.59 is: 16,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.03 : 27,765.05 = 10,714.59 : x
  2. Step 2: Convert to fraction form
    18,510.03/27,765.05 = 10,714.59/x
  3. Step 3: Cross multiply
    18,510.03x = 27,765.05 × 10,714.59
  4. Step 4: Simplify right side
    18,510.03x = 297,491,073.51
  5. Step 5: Solve for x
    x = 297,491,073.51/18,510.03
  6. Step 6: Final answer
    x = 16,071.89

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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.