Home / 20,935.68-28,862.37-16,701.11

Finding the Fourth Proportional to 20,935.68, 28,862.37 and 16,701.11

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Solution

The fourth proportional to 20,935.68, 28,862.37 and 16,701.11 is: 23,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.68 : 28,862.37 = 16,701.11 : x
  2. Step 2: Convert to fraction form
    20,935.68/28,862.37 = 16,701.11/x
  3. Step 3: Cross multiply
    20,935.68x = 28,862.37 × 16,701.11
  4. Step 4: Simplify right side
    20,935.68x = 482,033,688.39
  5. Step 5: Solve for x
    x = 482,033,688.39/20,935.68
  6. Step 6: Final answer
    x = 23,024.51

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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.