Home / 15,150.95-22,701.36-7,745.22

Finding the Fourth Proportional to 15,150.95, 22,701.36 and 7,745.22

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Solution

The fourth proportional to 15,150.95, 22,701.36 and 7,745.22 is: 11,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.95 : 22,701.36 = 7,745.22 : x
  2. Step 2: Convert to fraction form
    15,150.95/22,701.36 = 7,745.22/x
  3. Step 3: Cross multiply
    15,150.95x = 22,701.36 × 7,745.22
  4. Step 4: Simplify right side
    15,150.95x = 175,827,056.54
  5. Step 5: Solve for x
    x = 175,827,056.54/15,150.95
  6. Step 6: Final answer
    x = 11,605.02

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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.