Home / 19,377.24-29,061.54-7,687.32

Finding the Fourth Proportional to 19,377.24, 29,061.54 and 7,687.32

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Solution

The fourth proportional to 19,377.24, 29,061.54 and 7,687.32 is: 11,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.24 : 29,061.54 = 7,687.32 : x
  2. Step 2: Convert to fraction form
    19,377.24/29,061.54 = 7,687.32/x
  3. Step 3: Cross multiply
    19,377.24x = 29,061.54 × 7,687.32
  4. Step 4: Simplify right side
    19,377.24x = 223,405,357.67
  5. Step 5: Solve for x
    x = 223,405,357.67/19,377.24
  6. Step 6: Final answer
    x = 11,529.27

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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.