Home / 19,951.23-27,543.95-13,246.03

Finding the Fourth Proportional to 19,951.23, 27,543.95 and 13,246.03

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Solution

The fourth proportional to 19,951.23, 27,543.95 and 13,246.03 is: 18,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.23 : 27,543.95 = 13,246.03 : x
  2. Step 2: Convert to fraction form
    19,951.23/27,543.95 = 13,246.03/x
  3. Step 3: Cross multiply
    19,951.23x = 27,543.95 × 13,246.03
  4. Step 4: Simplify right side
    19,951.23x = 364,847,988.02
  5. Step 5: Solve for x
    x = 364,847,988.02/19,951.23
  6. Step 6: Final answer
    x = 18,286.99

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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.