Home / 22,787.68-31,446.93-12,716.01

Finding the Fourth Proportional to 22,787.68, 31,446.93 and 12,716.01

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Solution

The fourth proportional to 22,787.68, 31,446.93 and 12,716.01 is: 17,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.68 : 31,446.93 = 12,716.01 : x
  2. Step 2: Convert to fraction form
    22,787.68/31,446.93 = 12,716.01/x
  3. Step 3: Cross multiply
    22,787.68x = 31,446.93 × 12,716.01
  4. Step 4: Simplify right side
    22,787.68x = 399,879,476.35
  5. Step 5: Solve for x
    x = 399,879,476.35/22,787.68
  6. Step 6: Final answer
    x = 17,548.06

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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.