Home / 20,024.97-27,636.51-11,527.40

Finding the Fourth Proportional to 20,024.97, 27,636.51 and 11,527.40

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Solution

The fourth proportional to 20,024.97, 27,636.51 and 11,527.40 is: 15,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.97 : 27,636.51 = 11,527.40 : x
  2. Step 2: Convert to fraction form
    20,024.97/27,636.51 = 11,527.40/x
  3. Step 3: Cross multiply
    20,024.97x = 27,636.51 × 11,527.40
  4. Step 4: Simplify right side
    20,024.97x = 318,576,967.19
  5. Step 5: Solve for x
    x = 318,576,967.19/20,024.97
  6. Step 6: Final answer
    x = 15,908.99

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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.