Home / 17,768.40-26,652.51-16,685.76

Finding the Fourth Proportional to 17,768.40, 26,652.51 and 16,685.76

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Solution

The fourth proportional to 17,768.40, 26,652.51 and 16,685.76 is: 25,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.40 : 26,652.51 = 16,685.76 : x
  2. Step 2: Convert to fraction form
    17,768.40/26,652.51 = 16,685.76/x
  3. Step 3: Cross multiply
    17,768.40x = 26,652.51 × 16,685.76
  4. Step 4: Simplify right side
    17,768.40x = 444,717,385.26
  5. Step 5: Solve for x
    x = 444,717,385.26/17,768.40
  6. Step 6: Final answer
    x = 25,028.56

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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.