Home / 19,265.22-28,886.89-11,479.50

Finding the Fourth Proportional to 19,265.22, 28,886.89 and 11,479.50

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Solution

The fourth proportional to 19,265.22, 28,886.89 and 11,479.50 is: 17,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.22 : 28,886.89 = 11,479.50 : x
  2. Step 2: Convert to fraction form
    19,265.22/28,886.89 = 11,479.50/x
  3. Step 3: Cross multiply
    19,265.22x = 28,886.89 × 11,479.50
  4. Step 4: Simplify right side
    19,265.22x = 331,607,053.76
  5. Step 5: Solve for x
    x = 331,607,053.76/19,265.22
  6. Step 6: Final answer
    x = 17,212.73

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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.