Home / 14,124.15-19,491.27-7,750.84

Finding the Fourth Proportional to 14,124.15, 19,491.27 and 7,750.84

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Solution

The fourth proportional to 14,124.15, 19,491.27 and 7,750.84 is: 10,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.15 : 19,491.27 = 7,750.84 : x
  2. Step 2: Convert to fraction form
    14,124.15/19,491.27 = 7,750.84/x
  3. Step 3: Cross multiply
    14,124.15x = 19,491.27 × 7,750.84
  4. Step 4: Simplify right side
    14,124.15x = 151,073,761.54
  5. Step 5: Solve for x
    x = 151,073,761.54/14,124.15
  6. Step 6: Final answer
    x = 10,696.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.