Home / 12,214.15-18,334.19-11,592.07

Finding the Fourth Proportional to 12,214.15, 18,334.19 and 11,592.07

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Solution

The fourth proportional to 12,214.15, 18,334.19 and 11,592.07 is: 17,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.15 : 18,334.19 = 11,592.07 : x
  2. Step 2: Convert to fraction form
    12,214.15/18,334.19 = 11,592.07/x
  3. Step 3: Cross multiply
    12,214.15x = 18,334.19 × 11,592.07
  4. Step 4: Simplify right side
    12,214.15x = 212,531,155.91
  5. Step 5: Solve for x
    x = 212,531,155.91/12,214.15
  6. Step 6: Final answer
    x = 17,400.40

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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.