Home / 30,154.19-41,612.79-16,725.59

Finding the Fourth Proportional to 30,154.19, 41,612.79 and 16,725.59

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Solution

The fourth proportional to 30,154.19, 41,612.79 and 16,725.59 is: 23,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.19 : 41,612.79 = 16,725.59 : x
  2. Step 2: Convert to fraction form
    30,154.19/41,612.79 = 16,725.59/x
  3. Step 3: Cross multiply
    30,154.19x = 41,612.79 × 16,725.59
  4. Step 4: Simplify right side
    30,154.19x = 695,998,464.30
  5. Step 5: Solve for x
    x = 695,998,464.30/30,154.19
  6. Step 6: Final answer
    x = 23,081.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.