Home / 23,156.84-31,956.36-12,546.65

Finding the Fourth Proportional to 23,156.84, 31,956.36 and 12,546.65

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Solution

The fourth proportional to 23,156.84, 31,956.36 and 12,546.65 is: 17,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.84 : 31,956.36 = 12,546.65 : x
  2. Step 2: Convert to fraction form
    23,156.84/31,956.36 = 12,546.65/x
  3. Step 3: Cross multiply
    23,156.84x = 31,956.36 × 12,546.65
  4. Step 4: Simplify right side
    23,156.84x = 400,945,264.19
  5. Step 5: Solve for x
    x = 400,945,264.19/23,156.84
  6. Step 6: Final answer
    x = 17,314.33

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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.