Home / 32,767.65-45,219.11-18,620.51

Finding the Fourth Proportional to 32,767.65, 45,219.11 and 18,620.51

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Solution

The fourth proportional to 32,767.65, 45,219.11 and 18,620.51 is: 25,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,767.65 : 45,219.11 = 18,620.51 : x
  2. Step 2: Convert to fraction form
    32,767.65/45,219.11 = 18,620.51/x
  3. Step 3: Cross multiply
    32,767.65x = 45,219.11 × 18,620.51
  4. Step 4: Simplify right side
    32,767.65x = 842,002,570.75
  5. Step 5: Solve for x
    x = 842,002,570.75/32,767.65
  6. Step 6: Final answer
    x = 25,696.15

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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.