Home / 15,433.47-23,145.44-5,571.50

Finding the Fourth Proportional to 15,433.47, 23,145.44 and 5,571.50

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Solution

The fourth proportional to 15,433.47, 23,145.44 and 5,571.50 is: 8,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.47 : 23,145.44 = 5,571.50 : x
  2. Step 2: Convert to fraction form
    15,433.47/23,145.44 = 5,571.50/x
  3. Step 3: Cross multiply
    15,433.47x = 23,145.44 × 5,571.50
  4. Step 4: Simplify right side
    15,433.47x = 128,954,675.38
  5. Step 5: Solve for x
    x = 128,954,675.38/15,433.47
  6. Step 6: Final answer
    x = 8,355.52

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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.