Home / 21,448.74-32,117.40-14,805.75

Finding the Fourth Proportional to 21,448.74, 32,117.40 and 14,805.75

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Solution

The fourth proportional to 21,448.74, 32,117.40 and 14,805.75 is: 22,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.74 : 32,117.40 = 14,805.75 : x
  2. Step 2: Convert to fraction form
    21,448.74/32,117.40 = 14,805.75/x
  3. Step 3: Cross multiply
    21,448.74x = 32,117.40 × 14,805.75
  4. Step 4: Simplify right side
    21,448.74x = 475,522,195.05
  5. Step 5: Solve for x
    x = 475,522,195.05/21,448.74
  6. Step 6: Final answer
    x = 22,170.17

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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.