Home / 21,552.61-32,307.94-10,305.02

Finding the Fourth Proportional to 21,552.61, 32,307.94 and 10,305.02

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Solution

The fourth proportional to 21,552.61, 32,307.94 and 10,305.02 is: 15,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.61 : 32,307.94 = 10,305.02 : x
  2. Step 2: Convert to fraction form
    21,552.61/32,307.94 = 10,305.02/x
  3. Step 3: Cross multiply
    21,552.61x = 32,307.94 × 10,305.02
  4. Step 4: Simplify right side
    21,552.61x = 332,934,014.68
  5. Step 5: Solve for x
    x = 332,934,014.68/21,552.61
  6. Step 6: Final answer
    x = 15,447.51

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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.