Home / 19,005.84-28,494.18-11,613.78

Finding the Fourth Proportional to 19,005.84, 28,494.18 and 11,613.78

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Solution

The fourth proportional to 19,005.84, 28,494.18 and 11,613.78 is: 17,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.84 : 28,494.18 = 11,613.78 : x
  2. Step 2: Convert to fraction form
    19,005.84/28,494.18 = 11,613.78/x
  3. Step 3: Cross multiply
    19,005.84x = 28,494.18 × 11,613.78
  4. Step 4: Simplify right side
    19,005.84x = 330,925,137.80
  5. Step 5: Solve for x
    x = 330,925,137.80/19,005.84
  6. Step 6: Final answer
    x = 17,411.76

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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.