Home / 18,758.98-25,832.28-16,768.81

Finding the Fourth Proportional to 18,758.98, 25,832.28 and 16,768.81

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Solution

The fourth proportional to 18,758.98, 25,832.28 and 16,768.81 is: 23,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.98 : 25,832.28 = 16,768.81 : x
  2. Step 2: Convert to fraction form
    18,758.98/25,832.28 = 16,768.81/x
  3. Step 3: Cross multiply
    18,758.98x = 25,832.28 × 16,768.81
  4. Step 4: Simplify right side
    18,758.98x = 433,176,595.19
  5. Step 5: Solve for x
    x = 433,176,595.19/18,758.98
  6. Step 6: Final answer
    x = 23,091.69

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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.