Home / 14,013.78-21,022.52-5,694.08

Finding the Fourth Proportional to 14,013.78, 21,022.52 and 5,694.08

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Solution

The fourth proportional to 14,013.78, 21,022.52 and 5,694.08 is: 8,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.78 : 21,022.52 = 5,694.08 : x
  2. Step 2: Convert to fraction form
    14,013.78/21,022.52 = 5,694.08/x
  3. Step 3: Cross multiply
    14,013.78x = 21,022.52 × 5,694.08
  4. Step 4: Simplify right side
    14,013.78x = 119,703,777.10
  5. Step 5: Solve for x
    x = 119,703,777.10/14,013.78
  6. Step 6: Final answer
    x = 8,541.86

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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.