Home / 18,526.13-27,729.53-12,206.23

Finding the Fourth Proportional to 18,526.13, 27,729.53 and 12,206.23

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Solution

The fourth proportional to 18,526.13, 27,729.53 and 12,206.23 is: 18,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.13 : 27,729.53 = 12,206.23 : x
  2. Step 2: Convert to fraction form
    18,526.13/27,729.53 = 12,206.23/x
  3. Step 3: Cross multiply
    18,526.13x = 27,729.53 × 12,206.23
  4. Step 4: Simplify right side
    18,526.13x = 338,472,882.32
  5. Step 5: Solve for x
    x = 338,472,882.32/18,526.13
  6. Step 6: Final answer
    x = 18,270.03

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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.