Home / 14,039.54-19,374.71-7,751.90

Finding the Fourth Proportional to 14,039.54, 19,374.71 and 7,751.90

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Solution

The fourth proportional to 14,039.54, 19,374.71 and 7,751.90 is: 10,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.54 : 19,374.71 = 7,751.90 : x
  2. Step 2: Convert to fraction form
    14,039.54/19,374.71 = 7,751.90/x
  3. Step 3: Cross multiply
    14,039.54x = 19,374.71 × 7,751.90
  4. Step 4: Simplify right side
    14,039.54x = 150,190,814.45
  5. Step 5: Solve for x
    x = 150,190,814.45/14,039.54
  6. Step 6: Final answer
    x = 10,697.70

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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.