Home / 21,501.92-29,672.62-12,073.52

Finding the Fourth Proportional to 21,501.92, 29,672.62 and 12,073.52

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Solution

The fourth proportional to 21,501.92, 29,672.62 and 12,073.52 is: 16,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.92 : 29,672.62 = 12,073.52 : x
  2. Step 2: Convert to fraction form
    21,501.92/29,672.62 = 12,073.52/x
  3. Step 3: Cross multiply
    21,501.92x = 29,672.62 × 12,073.52
  4. Step 4: Simplify right side
    21,501.92x = 358,252,971.02
  5. Step 5: Solve for x
    x = 358,252,971.02/21,501.92
  6. Step 6: Final answer
    x = 16,661.44

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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.