Home / 17,725.87-26,598.12-7,872.22

Finding the Fourth Proportional to 17,725.87, 26,598.12 and 7,872.22

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Solution

The fourth proportional to 17,725.87, 26,598.12 and 7,872.22 is: 11,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.87 : 26,598.12 = 7,872.22 : x
  2. Step 2: Convert to fraction form
    17,725.87/26,598.12 = 7,872.22/x
  3. Step 3: Cross multiply
    17,725.87x = 26,598.12 × 7,872.22
  4. Step 4: Simplify right side
    17,725.87x = 209,386,252.23
  5. Step 5: Solve for x
    x = 209,386,252.23/17,725.87
  6. Step 6: Final answer
    x = 11,812.47

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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.