Home / 19,251.54-28,886.88-10,812.81

Finding the Fourth Proportional to 19,251.54, 28,886.88 and 10,812.81

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Solution

The fourth proportional to 19,251.54, 28,886.88 and 10,812.81 is: 16,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.54 : 28,886.88 = 10,812.81 : x
  2. Step 2: Convert to fraction form
    19,251.54/28,886.88 = 10,812.81/x
  3. Step 3: Cross multiply
    19,251.54x = 28,886.88 × 10,812.81
  4. Step 4: Simplify right side
    19,251.54x = 312,348,344.93
  5. Step 5: Solve for x
    x = 312,348,344.93/19,251.54
  6. Step 6: Final answer
    x = 16,224.59

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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.