Home / 16,428.96-22,700.88-14,329.44

Finding the Fourth Proportional to 16,428.96, 22,700.88 and 14,329.44

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Solution

The fourth proportional to 16,428.96, 22,700.88 and 14,329.44 is: 19,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.96 : 22,700.88 = 14,329.44 : x
  2. Step 2: Convert to fraction form
    16,428.96/22,700.88 = 14,329.44/x
  3. Step 3: Cross multiply
    16,428.96x = 22,700.88 × 14,329.44
  4. Step 4: Simplify right side
    16,428.96x = 325,290,897.91
  5. Step 5: Solve for x
    x = 325,290,897.91/16,428.96
  6. Step 6: Final answer
    x = 19,799.85

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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.