Home / 23,161.13-34,572.19-19,895.21

Finding the Fourth Proportional to 23,161.13, 34,572.19 and 19,895.21

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Solution

The fourth proportional to 23,161.13, 34,572.19 and 19,895.21 is: 29,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.13 : 34,572.19 = 19,895.21 : x
  2. Step 2: Convert to fraction form
    23,161.13/34,572.19 = 19,895.21/x
  3. Step 3: Cross multiply
    23,161.13x = 34,572.19 × 19,895.21
  4. Step 4: Simplify right side
    23,161.13x = 687,820,961.86
  5. Step 5: Solve for x
    x = 687,820,961.86/23,161.13
  6. Step 6: Final answer
    x = 29,697.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.