Home / 15,844.52-21,877.08-12,074.24

Finding the Fourth Proportional to 15,844.52, 21,877.08 and 12,074.24

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Solution

The fourth proportional to 15,844.52, 21,877.08 and 12,074.24 is: 16,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.52 : 21,877.08 = 12,074.24 : x
  2. Step 2: Convert to fraction form
    15,844.52/21,877.08 = 12,074.24/x
  3. Step 3: Cross multiply
    15,844.52x = 21,877.08 × 12,074.24
  4. Step 4: Simplify right side
    15,844.52x = 264,149,114.42
  5. Step 5: Solve for x
    x = 264,149,114.42/15,844.52
  6. Step 6: Final answer
    x = 16,671.32

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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.