Home / 16,742.22-25,085.71-11,787.72

Finding the Fourth Proportional to 16,742.22, 25,085.71 and 11,787.72

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Solution

The fourth proportional to 16,742.22, 25,085.71 and 11,787.72 is: 17,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.22 : 25,085.71 = 11,787.72 : x
  2. Step 2: Convert to fraction form
    16,742.22/25,085.71 = 11,787.72/x
  3. Step 3: Cross multiply
    16,742.22x = 25,085.71 × 11,787.72
  4. Step 4: Simplify right side
    16,742.22x = 295,703,325.48
  5. Step 5: Solve for x
    x = 295,703,325.48/16,742.22
  6. Step 6: Final answer
    x = 17,662.13

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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.