Home / 19,018.89-28,532.66-10,253.61

Finding the Fourth Proportional to 19,018.89, 28,532.66 and 10,253.61

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Solution

The fourth proportional to 19,018.89, 28,532.66 and 10,253.61 is: 15,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.89 : 28,532.66 = 10,253.61 : x
  2. Step 2: Convert to fraction form
    19,018.89/28,532.66 = 10,253.61/x
  3. Step 3: Cross multiply
    19,018.89x = 28,532.66 × 10,253.61
  4. Step 4: Simplify right side
    19,018.89x = 292,562,716.63
  5. Step 5: Solve for x
    x = 292,562,716.63/19,018.89
  6. Step 6: Final answer
    x = 15,382.74

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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.