Home / 14,288.48-21,432.06-3,900.26

Finding the Fourth Proportional to 14,288.48, 21,432.06 and 3,900.26

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Solution

The fourth proportional to 14,288.48, 21,432.06 and 3,900.26 is: 5,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.48 : 21,432.06 = 3,900.26 : x
  2. Step 2: Convert to fraction form
    14,288.48/21,432.06 = 3,900.26/x
  3. Step 3: Cross multiply
    14,288.48x = 21,432.06 × 3,900.26
  4. Step 4: Simplify right side
    14,288.48x = 83,590,606.34
  5. Step 5: Solve for x
    x = 83,590,606.34/14,288.48
  6. Step 6: Final answer
    x = 5,850.21

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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.