Home / 22,032.57-30,405-11,961.02

Finding the Fourth Proportional to 22,032.57, 30,405 and 11,961.02

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Solution

The fourth proportional to 22,032.57, 30,405 and 11,961.02 is: 16,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.57 : 30,405 = 11,961.02 : x
  2. Step 2: Convert to fraction form
    22,032.57/30,405 = 11,961.02/x
  3. Step 3: Cross multiply
    22,032.57x = 30,405 × 11,961.02
  4. Step 4: Simplify right side
    22,032.57x = 363,674,813.10
  5. Step 5: Solve for x
    x = 363,674,813.10/22,032.57
  6. Step 6: Final answer
    x = 16,506.24

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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.