Home / 21,590.07-29,794.15-12,029.48

Finding the Fourth Proportional to 21,590.07, 29,794.15 and 12,029.48

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Solution

The fourth proportional to 21,590.07, 29,794.15 and 12,029.48 is: 16,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.07 : 29,794.15 = 12,029.48 : x
  2. Step 2: Convert to fraction form
    21,590.07/29,794.15 = 12,029.48/x
  3. Step 3: Cross multiply
    21,590.07x = 29,794.15 × 12,029.48
  4. Step 4: Simplify right side
    21,590.07x = 358,408,131.54
  5. Step 5: Solve for x
    x = 358,408,131.54/21,590.07
  6. Step 6: Final answer
    x = 16,600.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.