Home / 19,974.40-27,564.68-11,477.08

Finding the Fourth Proportional to 19,974.40, 27,564.68 and 11,477.08

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Solution

The fourth proportional to 19,974.40, 27,564.68 and 11,477.08 is: 15,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.40 : 27,564.68 = 11,477.08 : x
  2. Step 2: Convert to fraction form
    19,974.40/27,564.68 = 11,477.08/x
  3. Step 3: Cross multiply
    19,974.40x = 27,564.68 × 11,477.08
  4. Step 4: Simplify right side
    19,974.40x = 316,362,037.53
  5. Step 5: Solve for x
    x = 316,362,037.53/19,974.40
  6. Step 6: Final answer
    x = 15,838.37

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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.