Home / 14,287.24-21,463.80-13,696.75

Finding the Fourth Proportional to 14,287.24, 21,463.80 and 13,696.75

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Solution

The fourth proportional to 14,287.24, 21,463.80 and 13,696.75 is: 20,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.24 : 21,463.80 = 13,696.75 : x
  2. Step 2: Convert to fraction form
    14,287.24/21,463.80 = 13,696.75/x
  3. Step 3: Cross multiply
    14,287.24x = 21,463.80 × 13,696.75
  4. Step 4: Simplify right side
    14,287.24x = 293,984,302.65
  5. Step 5: Solve for x
    x = 293,984,302.65/14,287.24
  6. Step 6: Final answer
    x = 20,576.70

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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.