Home / 15,645.15-23,470.07-4,550.40

Finding the Fourth Proportional to 15,645.15, 23,470.07 and 4,550.40

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Solution

The fourth proportional to 15,645.15, 23,470.07 and 4,550.40 is: 6,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.15 : 23,470.07 = 4,550.40 : x
  2. Step 2: Convert to fraction form
    15,645.15/23,470.07 = 4,550.40/x
  3. Step 3: Cross multiply
    15,645.15x = 23,470.07 × 4,550.40
  4. Step 4: Simplify right side
    15,645.15x = 106,798,183.78
  5. Step 5: Solve for x
    x = 106,798,183.78/15,645.15
  6. Step 6: Final answer
    x = 6,826.28

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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.