Home / 23,758.99-32,787.49-12,857.13

Finding the Fourth Proportional to 23,758.99, 32,787.49 and 12,857.13

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Solution

The fourth proportional to 23,758.99, 32,787.49 and 12,857.13 is: 17,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,758.99 : 32,787.49 = 12,857.13 : x
  2. Step 2: Convert to fraction form
    23,758.99/32,787.49 = 12,857.13/x
  3. Step 3: Cross multiply
    23,758.99x = 32,787.49 × 12,857.13
  4. Step 4: Simplify right side
    23,758.99x = 421,552,857.37
  5. Step 5: Solve for x
    x = 421,552,857.37/23,758.99
  6. Step 6: Final answer
    x = 17,742.88

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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.