Home / 17,769.38-26,654-16,686.76

Finding the Fourth Proportional to 17,769.38, 26,654 and 16,686.76

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Solution

The fourth proportional to 17,769.38, 26,654 and 16,686.76 is: 25,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.38 : 26,654 = 16,686.76 : x
  2. Step 2: Convert to fraction form
    17,769.38/26,654 = 16,686.76/x
  3. Step 3: Cross multiply
    17,769.38x = 26,654 × 16,686.76
  4. Step 4: Simplify right side
    17,769.38x = 444,768,901.04
  5. Step 5: Solve for x
    x = 444,768,901.04/17,769.38
  6. Step 6: Final answer
    x = 25,030.07

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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.