Home / 14,343.24-21,520.38-6,947.13

Finding the Fourth Proportional to 14,343.24, 21,520.38 and 6,947.13

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Solution

The fourth proportional to 14,343.24, 21,520.38 and 6,947.13 is: 10,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.24 : 21,520.38 = 6,947.13 : x
  2. Step 2: Convert to fraction form
    14,343.24/21,520.38 = 6,947.13/x
  3. Step 3: Cross multiply
    14,343.24x = 21,520.38 × 6,947.13
  4. Step 4: Simplify right side
    14,343.24x = 149,504,877.51
  5. Step 5: Solve for x
    x = 149,504,877.51/14,343.24
  6. Step 6: Final answer
    x = 10,423.37

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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.