Home / 23,787.40-32,726-23,131.30

Finding the Fourth Proportional to 23,787.40, 32,726 and 23,131.30

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Solution

The fourth proportional to 23,787.40, 32,726 and 23,131.30 is: 31,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,787.40 : 32,726 = 23,131.30 : x
  2. Step 2: Convert to fraction form
    23,787.40/32,726 = 23,131.30/x
  3. Step 3: Cross multiply
    23,787.40x = 32,726 × 23,131.30
  4. Step 4: Simplify right side
    23,787.40x = 756,994,923.80
  5. Step 5: Solve for x
    x = 756,994,923.80/23,787.40
  6. Step 6: Final answer
    x = 31,823.36

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Double scale
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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.