Home / 14,293.48-21,439.58-3,905.24

Finding the Fourth Proportional to 14,293.48, 21,439.58 and 3,905.24

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Solution

The fourth proportional to 14,293.48, 21,439.58 and 3,905.24 is: 5,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.48 : 21,439.58 = 3,905.24 : x
  2. Step 2: Convert to fraction form
    14,293.48/21,439.58 = 3,905.24/x
  3. Step 3: Cross multiply
    14,293.48x = 21,439.58 × 3,905.24
  4. Step 4: Simplify right side
    14,293.48x = 83,726,705.40
  5. Step 5: Solve for x
    x = 83,726,705.40/14,293.48
  6. Step 6: Final answer
    x = 5,857.69

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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.