Home / 14,112.48-19,475.45-7,739.65

Finding the Fourth Proportional to 14,112.48, 19,475.45 and 7,739.65

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Solution

The fourth proportional to 14,112.48, 19,475.45 and 7,739.65 is: 10,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.48 : 19,475.45 = 7,739.65 : x
  2. Step 2: Convert to fraction form
    14,112.48/19,475.45 = 7,739.65/x
  3. Step 3: Cross multiply
    14,112.48x = 19,475.45 × 7,739.65
  4. Step 4: Simplify right side
    14,112.48x = 150,733,166.59
  5. Step 5: Solve for x
    x = 150,733,166.59/14,112.48
  6. Step 6: Final answer
    x = 10,680.84

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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.