Home / 19,112.67-28,669.52-7,264.94

Finding the Fourth Proportional to 19,112.67, 28,669.52 and 7,264.94

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Solution

The fourth proportional to 19,112.67, 28,669.52 and 7,264.94 is: 10,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.67 : 28,669.52 = 7,264.94 : x
  2. Step 2: Convert to fraction form
    19,112.67/28,669.52 = 7,264.94/x
  3. Step 3: Cross multiply
    19,112.67x = 28,669.52 × 7,264.94
  4. Step 4: Simplify right side
    19,112.67x = 208,282,358.28
  5. Step 5: Solve for x
    x = 208,282,358.28/19,112.67
  6. Step 6: Final answer
    x = 10,897.61

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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.