Home / 14,008.24-21,012.90-5,242.24

Finding the Fourth Proportional to 14,008.24, 21,012.90 and 5,242.24

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Solution

The fourth proportional to 14,008.24, 21,012.90 and 5,242.24 is: 7,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.24 : 21,012.90 = 5,242.24 : x
  2. Step 2: Convert to fraction form
    14,008.24/21,012.90 = 5,242.24/x
  3. Step 3: Cross multiply
    14,008.24x = 21,012.90 × 5,242.24
  4. Step 4: Simplify right side
    14,008.24x = 110,154,664.90
  5. Step 5: Solve for x
    x = 110,154,664.90/14,008.24
  6. Step 6: Final answer
    x = 7,863.56

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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.