Home / 19,588.69-29,382.97-7,108.70

Finding the Fourth Proportional to 19,588.69, 29,382.97 and 7,108.70

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Solution

The fourth proportional to 19,588.69, 29,382.97 and 7,108.70 is: 10,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.69 : 29,382.97 = 7,108.70 : x
  2. Step 2: Convert to fraction form
    19,588.69/29,382.97 = 7,108.70/x
  3. Step 3: Cross multiply
    19,588.69x = 29,382.97 × 7,108.70
  4. Step 4: Simplify right side
    19,588.69x = 208,874,567.48
  5. Step 5: Solve for x
    x = 208,874,567.48/19,588.69
  6. Step 6: Final answer
    x = 10,663.02

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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.