Home / 19,112.76-28,669.14-5,966.16

Finding the Fourth Proportional to 19,112.76, 28,669.14 and 5,966.16

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Solution

The fourth proportional to 19,112.76, 28,669.14 and 5,966.16 is: 8,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.76 : 28,669.14 = 5,966.16 : x
  2. Step 2: Convert to fraction form
    19,112.76/28,669.14 = 5,966.16/x
  3. Step 3: Cross multiply
    19,112.76x = 28,669.14 × 5,966.16
  4. Step 4: Simplify right side
    19,112.76x = 171,044,568.79
  5. Step 5: Solve for x
    x = 171,044,568.79/19,112.76
  6. Step 6: Final answer
    x = 8,949.23

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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.