Home / 19,562.80-26,996.16-11,178.76

Finding the Fourth Proportional to 19,562.80, 26,996.16 and 11,178.76

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Solution

The fourth proportional to 19,562.80, 26,996.16 and 11,178.76 is: 15,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.80 : 26,996.16 = 11,178.76 : x
  2. Step 2: Convert to fraction form
    19,562.80/26,996.16 = 11,178.76/x
  3. Step 3: Cross multiply
    19,562.80x = 26,996.16 × 11,178.76
  4. Step 4: Simplify right side
    19,562.80x = 301,783,593.56
  5. Step 5: Solve for x
    x = 301,783,593.56/19,562.80
  6. Step 6: Final answer
    x = 15,426.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.