Home / 18,729.56-25,846.80-10,346.06

Finding the Fourth Proportional to 18,729.56, 25,846.80 and 10,346.06

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Solution

The fourth proportional to 18,729.56, 25,846.80 and 10,346.06 is: 14,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.56 : 25,846.80 = 10,346.06 : x
  2. Step 2: Convert to fraction form
    18,729.56/25,846.80 = 10,346.06/x
  3. Step 3: Cross multiply
    18,729.56x = 25,846.80 × 10,346.06
  4. Step 4: Simplify right side
    18,729.56x = 267,412,569.43
  5. Step 5: Solve for x
    x = 267,412,569.43/18,729.56
  6. Step 6: Final answer
    x = 14,277.57

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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.