Home / 19,962.81-27,548.24-11,010.15

Finding the Fourth Proportional to 19,962.81, 27,548.24 and 11,010.15

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Solution

The fourth proportional to 19,962.81, 27,548.24 and 11,010.15 is: 15,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.81 : 27,548.24 = 11,010.15 : x
  2. Step 2: Convert to fraction form
    19,962.81/27,548.24 = 11,010.15/x
  3. Step 3: Cross multiply
    19,962.81x = 27,548.24 × 11,010.15
  4. Step 4: Simplify right side
    19,962.81x = 303,310,199.59
  5. Step 5: Solve for x
    x = 303,310,199.59/19,962.81
  6. Step 6: Final answer
    x = 15,193.76

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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.