Home / 14,027.04-21,027.60-11,409.12

Finding the Fourth Proportional to 14,027.04, 21,027.60 and 11,409.12

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Solution

The fourth proportional to 14,027.04, 21,027.60 and 11,409.12 is: 17,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.04 : 21,027.60 = 11,409.12 : x
  2. Step 2: Convert to fraction form
    14,027.04/21,027.60 = 11,409.12/x
  3. Step 3: Cross multiply
    14,027.04x = 21,027.60 × 11,409.12
  4. Step 4: Simplify right side
    14,027.04x = 239,906,411.71
  5. Step 5: Solve for x
    x = 239,906,411.71/14,027.04
  6. Step 6: Final answer
    x = 17,103.14

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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.