Home / 17,526.38-26,289.62-4,378.75

Finding the Fourth Proportional to 17,526.38, 26,289.62 and 4,378.75

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Solution

The fourth proportional to 17,526.38, 26,289.62 and 4,378.75 is: 6,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,526.38 : 26,289.62 = 4,378.75 : x
  2. Step 2: Convert to fraction form
    17,526.38/26,289.62 = 4,378.75/x
  3. Step 3: Cross multiply
    17,526.38x = 26,289.62 × 4,378.75
  4. Step 4: Simplify right side
    17,526.38x = 115,115,618.80
  5. Step 5: Solve for x
    x = 115,115,618.80/17,526.38
  6. Step 6: Final answer
    x = 6,568.14

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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.