Home / 19,729.61-27,227.36-10,777.01

Finding the Fourth Proportional to 19,729.61, 27,227.36 and 10,777.01

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Solution

The fourth proportional to 19,729.61, 27,227.36 and 10,777.01 is: 14,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.61 : 27,227.36 = 10,777.01 : x
  2. Step 2: Convert to fraction form
    19,729.61/27,227.36 = 10,777.01/x
  3. Step 3: Cross multiply
    19,729.61x = 27,227.36 × 10,777.01
  4. Step 4: Simplify right side
    19,729.61x = 293,429,530.99
  5. Step 5: Solve for x
    x = 293,429,530.99/19,729.61
  6. Step 6: Final answer
    x = 14,872.55

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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.