Home / 15,843.52-21,875.70-12,073.24

Finding the Fourth Proportional to 15,843.52, 21,875.70 and 12,073.24

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Solution

The fourth proportional to 15,843.52, 21,875.70 and 12,073.24 is: 16,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.52 : 21,875.70 = 12,073.24 : x
  2. Step 2: Convert to fraction form
    15,843.52/21,875.70 = 12,073.24/x
  3. Step 3: Cross multiply
    15,843.52x = 21,875.70 × 12,073.24
  4. Step 4: Simplify right side
    15,843.52x = 264,110,576.27
  5. Step 5: Solve for x
    x = 264,110,576.27/15,843.52
  6. Step 6: Final answer
    x = 16,669.94

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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.