Home / 22,068.49-30,454.30-16,428.46

Finding the Fourth Proportional to 22,068.49, 30,454.30 and 16,428.46

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Solution

The fourth proportional to 22,068.49, 30,454.30 and 16,428.46 is: 22,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.49 : 30,454.30 = 16,428.46 : x
  2. Step 2: Convert to fraction form
    22,068.49/30,454.30 = 16,428.46/x
  3. Step 3: Cross multiply
    22,068.49x = 30,454.30 × 16,428.46
  4. Step 4: Simplify right side
    22,068.49x = 500,317,249.38
  5. Step 5: Solve for x
    x = 500,317,249.38/22,068.49
  6. Step 6: Final answer
    x = 22,671.11

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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.