Home / 18,315.47-27,474.26-7,070.87

Finding the Fourth Proportional to 18,315.47, 27,474.26 and 7,070.87

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Solution

The fourth proportional to 18,315.47, 27,474.26 and 7,070.87 is: 10,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.47 : 27,474.26 = 7,070.87 : x
  2. Step 2: Convert to fraction form
    18,315.47/27,474.26 = 7,070.87/x
  3. Step 3: Cross multiply
    18,315.47x = 27,474.26 × 7,070.87
  4. Step 4: Simplify right side
    18,315.47x = 194,266,748.08
  5. Step 5: Solve for x
    x = 194,266,748.08/18,315.47
  6. Step 6: Final answer
    x = 10,606.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.