Home / 19,966.79-27,556.11-14,922.26

Finding the Fourth Proportional to 19,966.79, 27,556.11 and 14,922.26

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Solution

The fourth proportional to 19,966.79, 27,556.11 and 14,922.26 is: 20,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.79 : 27,556.11 = 14,922.26 : x
  2. Step 2: Convert to fraction form
    19,966.79/27,556.11 = 14,922.26/x
  3. Step 3: Cross multiply
    19,966.79x = 27,556.11 × 14,922.26
  4. Step 4: Simplify right side
    19,966.79x = 411,199,438.01
  5. Step 5: Solve for x
    x = 411,199,438.01/19,966.79
  6. Step 6: Final answer
    x = 20,594.17

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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.