Home / 22,716.39-31,341.47-16,005.71

Finding the Fourth Proportional to 22,716.39, 31,341.47 and 16,005.71

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Solution

The fourth proportional to 22,716.39, 31,341.47 and 16,005.71 is: 22,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.39 : 31,341.47 = 16,005.71 : x
  2. Step 2: Convert to fraction form
    22,716.39/31,341.47 = 16,005.71/x
  3. Step 3: Cross multiply
    22,716.39x = 31,341.47 × 16,005.71
  4. Step 4: Simplify right side
    22,716.39x = 501,642,478.12
  5. Step 5: Solve for x
    x = 501,642,478.12/22,716.39
  6. Step 6: Final answer
    x = 22,082.84

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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.