Home / 19,587.66-29,393.16-7,108.66

Finding the Fourth Proportional to 19,587.66, 29,393.16 and 7,108.66

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Solution

The fourth proportional to 19,587.66, 29,393.16 and 7,108.66 is: 10,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.66 : 29,393.16 = 7,108.66 : x
  2. Step 2: Convert to fraction form
    19,587.66/29,393.16 = 7,108.66/x
  3. Step 3: Cross multiply
    19,587.66x = 29,393.16 × 7,108.66
  4. Step 4: Simplify right side
    19,587.66x = 208,945,798.26
  5. Step 5: Solve for x
    x = 208,945,798.26/19,587.66
  6. Step 6: Final answer
    x = 10,667.22

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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.