Home / 21,646.47-32,471.55-7,605.27

Finding the Fourth Proportional to 21,646.47, 32,471.55 and 7,605.27

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Solution

The fourth proportional to 21,646.47, 32,471.55 and 7,605.27 is: 11,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.47 : 32,471.55 = 7,605.27 : x
  2. Step 2: Convert to fraction form
    21,646.47/32,471.55 = 7,605.27/x
  3. Step 3: Cross multiply
    21,646.47x = 32,471.55 × 7,605.27
  4. Step 4: Simplify right side
    21,646.47x = 246,954,867.04
  5. Step 5: Solve for x
    x = 246,954,867.04/21,646.47
  6. Step 6: Final answer
    x = 11,408.55

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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.