Home / 23,578.07-35,359.60-7,780.15

Finding the Fourth Proportional to 23,578.07, 35,359.60 and 7,780.15

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Solution

The fourth proportional to 23,578.07, 35,359.60 and 7,780.15 is: 11,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.07 : 35,359.60 = 7,780.15 : x
  2. Step 2: Convert to fraction form
    23,578.07/35,359.60 = 7,780.15/x
  3. Step 3: Cross multiply
    23,578.07x = 35,359.60 × 7,780.15
  4. Step 4: Simplify right side
    23,578.07x = 275,102,953.04
  5. Step 5: Solve for x
    x = 275,102,953.04/23,578.07
  6. Step 6: Final answer
    x = 11,667.75

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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.