Home / 19,588.91-29,383.35-7,108.91

Finding the Fourth Proportional to 19,588.91, 29,383.35 and 7,108.91

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Solution

The fourth proportional to 19,588.91, 29,383.35 and 7,108.91 is: 10,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.91 : 29,383.35 = 7,108.91 : x
  2. Step 2: Convert to fraction form
    19,588.91/29,383.35 = 7,108.91/x
  3. Step 3: Cross multiply
    19,588.91x = 29,383.35 × 7,108.91
  4. Step 4: Simplify right side
    19,588.91x = 208,883,590.65
  5. Step 5: Solve for x
    x = 208,883,590.65/19,588.91
  6. Step 6: Final answer
    x = 10,663.36

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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.