Home / 20,061.46-27,681.55-11,563.93

Finding the Fourth Proportional to 20,061.46, 27,681.55 and 11,563.93

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Solution

The fourth proportional to 20,061.46, 27,681.55 and 11,563.93 is: 15,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.46 : 27,681.55 = 11,563.93 : x
  2. Step 2: Convert to fraction form
    20,061.46/27,681.55 = 11,563.93/x
  3. Step 3: Cross multiply
    20,061.46x = 27,681.55 × 11,563.93
  4. Step 4: Simplify right side
    20,061.46x = 320,107,506.49
  5. Step 5: Solve for x
    x = 320,107,506.49/20,061.46
  6. Step 6: Final answer
    x = 15,956.34

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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.