Home / 15,544.74-21,451.71-8,471.14

Finding the Fourth Proportional to 15,544.74, 21,451.71 and 8,471.14

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Solution

The fourth proportional to 15,544.74, 21,451.71 and 8,471.14 is: 11,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.74 : 21,451.71 = 8,471.14 : x
  2. Step 2: Convert to fraction form
    15,544.74/21,451.71 = 8,471.14/x
  3. Step 3: Cross multiply
    15,544.74x = 21,451.71 × 8,471.14
  4. Step 4: Simplify right side
    15,544.74x = 181,720,438.65
  5. Step 5: Solve for x
    x = 181,720,438.65/15,544.74
  6. Step 6: Final answer
    x = 11,690.16

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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.