Home / 21,363.48-32,163.75-16,708.68

Finding the Fourth Proportional to 21,363.48, 32,163.75 and 16,708.68

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Solution

The fourth proportional to 21,363.48, 32,163.75 and 16,708.68 is: 25,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.48 : 32,163.75 = 16,708.68 : x
  2. Step 2: Convert to fraction form
    21,363.48/32,163.75 = 16,708.68/x
  3. Step 3: Cross multiply
    21,363.48x = 32,163.75 × 16,708.68
  4. Step 4: Simplify right side
    21,363.48x = 537,413,806.35
  5. Step 5: Solve for x
    x = 537,413,806.35/21,363.48
  6. Step 6: Final answer
    x = 25,155.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.