Home / 19,729.17-27,225.21-10,776.54

Finding the Fourth Proportional to 19,729.17, 27,225.21 and 10,776.54

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Solution

The fourth proportional to 19,729.17, 27,225.21 and 10,776.54 is: 14,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.17 : 27,225.21 = 10,776.54 : x
  2. Step 2: Convert to fraction form
    19,729.17/27,225.21 = 10,776.54/x
  3. Step 3: Cross multiply
    19,729.17x = 27,225.21 × 10,776.54
  4. Step 4: Simplify right side
    19,729.17x = 293,393,707.08
  5. Step 5: Solve for x
    x = 293,393,707.08/19,729.17
  6. Step 6: Final answer
    x = 14,871.06

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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.