Home / 22,720.02-34,083.90-7,725.57

Finding the Fourth Proportional to 22,720.02, 34,083.90 and 7,725.57

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Solution

The fourth proportional to 22,720.02, 34,083.90 and 7,725.57 is: 11,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.02 : 34,083.90 = 7,725.57 : x
  2. Step 2: Convert to fraction form
    22,720.02/34,083.90 = 7,725.57/x
  3. Step 3: Cross multiply
    22,720.02x = 34,083.90 × 7,725.57
  4. Step 4: Simplify right side
    22,720.02x = 263,317,555.32
  5. Step 5: Solve for x
    x = 263,317,555.32/22,720.02
  6. Step 6: Final answer
    x = 11,589.67

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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.