Home / 13,074.58-19,612.65-4,309.57

Finding the Fourth Proportional to 13,074.58, 19,612.65 and 4,309.57

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Solution

The fourth proportional to 13,074.58, 19,612.65 and 4,309.57 is: 6,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.58 : 19,612.65 = 4,309.57 : x
  2. Step 2: Convert to fraction form
    13,074.58/19,612.65 = 4,309.57/x
  3. Step 3: Cross multiply
    13,074.58x = 19,612.65 × 4,309.57
  4. Step 4: Simplify right side
    13,074.58x = 84,522,088.06
  5. Step 5: Solve for x
    x = 84,522,088.06/13,074.58
  6. Step 6: Final answer
    x = 6,464.61

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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.