Home / 19,416.66-29,117.60-6,934.36

Finding the Fourth Proportional to 19,416.66, 29,117.60 and 6,934.36

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Solution

The fourth proportional to 19,416.66, 29,117.60 and 6,934.36 is: 10,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.66 : 29,117.60 = 6,934.36 : x
  2. Step 2: Convert to fraction form
    19,416.66/29,117.60 = 6,934.36/x
  3. Step 3: Cross multiply
    19,416.66x = 29,117.60 × 6,934.36
  4. Step 4: Simplify right side
    19,416.66x = 201,911,920.74
  5. Step 5: Solve for x
    x = 201,911,920.74/19,416.66
  6. Step 6: Final answer
    x = 10,398.90

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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.