Home / 19,972.24-27,557.94-11,477.32

Finding the Fourth Proportional to 19,972.24, 27,557.94 and 11,477.32

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Solution

The fourth proportional to 19,972.24, 27,557.94 and 11,477.32 is: 15,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.24 : 27,557.94 = 11,477.32 : x
  2. Step 2: Convert to fraction form
    19,972.24/27,557.94 = 11,477.32/x
  3. Step 3: Cross multiply
    19,972.24x = 27,557.94 × 11,477.32
  4. Step 4: Simplify right side
    19,972.24x = 316,291,295.92
  5. Step 5: Solve for x
    x = 316,291,295.92/19,972.24
  6. Step 6: Final answer
    x = 15,836.55

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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.