Home / 19,931.15-29,876.22-8,843.06

Finding the Fourth Proportional to 19,931.15, 29,876.22 and 8,843.06

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Solution

The fourth proportional to 19,931.15, 29,876.22 and 8,843.06 is: 13,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.15 : 29,876.22 = 8,843.06 : x
  2. Step 2: Convert to fraction form
    19,931.15/29,876.22 = 8,843.06/x
  3. Step 3: Cross multiply
    19,931.15x = 29,876.22 × 8,843.06
  4. Step 4: Simplify right side
    19,931.15x = 264,197,280.72
  5. Step 5: Solve for x
    x = 264,197,280.72/19,931.15
  6. Step 6: Final answer
    x = 13,255.49

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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.