Home / 19,617.59-29,426.39-7,939.01

Finding the Fourth Proportional to 19,617.59, 29,426.39 and 7,939.01

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Solution

The fourth proportional to 19,617.59, 29,426.39 and 7,939.01 is: 11,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.59 : 29,426.39 = 7,939.01 : x
  2. Step 2: Convert to fraction form
    19,617.59/29,426.39 = 7,939.01/x
  3. Step 3: Cross multiply
    19,617.59x = 29,426.39 × 7,939.01
  4. Step 4: Simplify right side
    19,617.59x = 233,616,217.65
  5. Step 5: Solve for x
    x = 233,616,217.65/19,617.59
  6. Step 6: Final answer
    x = 11,908.51

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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.