Home / 43,216.15-64,809.23-15,135.58

Finding the Fourth Proportional to 43,216.15, 64,809.23 and 15,135.58

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Solution

The fourth proportional to 43,216.15, 64,809.23 and 15,135.58 is: 22,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.15 : 64,809.23 = 15,135.58 : x
  2. Step 2: Convert to fraction form
    43,216.15/64,809.23 = 15,135.58/x
  3. Step 3: Cross multiply
    43,216.15x = 64,809.23 × 15,135.58
  4. Step 4: Simplify right side
    43,216.15x = 980,925,375.87
  5. Step 5: Solve for x
    x = 980,925,375.87/43,216.15
  6. Step 6: Final answer
    x = 22,698.12

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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.