Home / 18,526.16-27,789.65-6,680.89

Finding the Fourth Proportional to 18,526.16, 27,789.65 and 6,680.89

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Solution

The fourth proportional to 18,526.16, 27,789.65 and 6,680.89 is: 10,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.16 : 27,789.65 = 6,680.89 : x
  2. Step 2: Convert to fraction form
    18,526.16/27,789.65 = 6,680.89/x
  3. Step 3: Cross multiply
    18,526.16x = 27,789.65 × 6,680.89
  4. Step 4: Simplify right side
    18,526.16x = 185,659,482.23
  5. Step 5: Solve for x
    x = 185,659,482.23/18,526.16
  6. Step 6: Final answer
    x = 10,021.48

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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.