Home / 18,763.23-28,164.69-18,339.72

Finding the Fourth Proportional to 18,763.23, 28,164.69 and 18,339.72

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Solution

The fourth proportional to 18,763.23, 28,164.69 and 18,339.72 is: 27,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.23 : 28,164.69 = 18,339.72 : x
  2. Step 2: Convert to fraction form
    18,763.23/28,164.69 = 18,339.72/x
  3. Step 3: Cross multiply
    18,763.23x = 28,164.69 × 18,339.72
  4. Step 4: Simplify right side
    18,763.23x = 516,532,528.49
  5. Step 5: Solve for x
    x = 516,532,528.49/18,763.23
  6. Step 6: Final answer
    x = 27,528.98

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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.