Home / 19,587.98-29,393.66-7,108.99

Finding the Fourth Proportional to 19,587.98, 29,393.66 and 7,108.99

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Solution

The fourth proportional to 19,587.98, 29,393.66 and 7,108.99 is: 10,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.98 : 29,393.66 = 7,108.99 : x
  2. Step 2: Convert to fraction form
    19,587.98/29,393.66 = 7,108.99/x
  3. Step 3: Cross multiply
    19,587.98x = 29,393.66 × 7,108.99
  4. Step 4: Simplify right side
    19,587.98x = 208,959,125.97
  5. Step 5: Solve for x
    x = 208,959,125.97/19,587.98
  6. Step 6: Final answer
    x = 10,667.72

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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.