Home / 15,140.54-22,707.32-5,777.15

Finding the Fourth Proportional to 15,140.54, 22,707.32 and 5,777.15

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Solution

The fourth proportional to 15,140.54, 22,707.32 and 5,777.15 is: 8,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.54 : 22,707.32 = 5,777.15 : x
  2. Step 2: Convert to fraction form
    15,140.54/22,707.32 = 5,777.15/x
  3. Step 3: Cross multiply
    15,140.54x = 22,707.32 × 5,777.15
  4. Step 4: Simplify right side
    15,140.54x = 131,183,451.32
  5. Step 5: Solve for x
    x = 131,183,451.32/15,140.54
  6. Step 6: Final answer
    x = 8,664.38

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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.