Home / 17,815.38-26,726.89-6,570.76

Finding the Fourth Proportional to 17,815.38, 26,726.89 and 6,570.76

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Solution

The fourth proportional to 17,815.38, 26,726.89 and 6,570.76 is: 9,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.38 : 26,726.89 = 6,570.76 : x
  2. Step 2: Convert to fraction form
    17,815.38/26,726.89 = 6,570.76/x
  3. Step 3: Cross multiply
    17,815.38x = 26,726.89 × 6,570.76
  4. Step 4: Simplify right side
    17,815.38x = 175,615,979.74
  5. Step 5: Solve for x
    x = 175,615,979.74/17,815.38
  6. Step 6: Final answer
    x = 9,857.55

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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.