Home / 14,284.38-21,428.01-4,923.17

Finding the Fourth Proportional to 14,284.38, 21,428.01 and 4,923.17

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Solution

The fourth proportional to 14,284.38, 21,428.01 and 4,923.17 is: 7,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.38 : 21,428.01 = 4,923.17 : x
  2. Step 2: Convert to fraction form
    14,284.38/21,428.01 = 4,923.17/x
  3. Step 3: Cross multiply
    14,284.38x = 21,428.01 × 4,923.17
  4. Step 4: Simplify right side
    14,284.38x = 105,493,628.85
  5. Step 5: Solve for x
    x = 105,493,628.85/14,284.38
  6. Step 6: Final answer
    x = 7,385.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.