Home / 14,160.40-21,204.15-11,244.40

Finding the Fourth Proportional to 14,160.40, 21,204.15 and 11,244.40

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Solution

The fourth proportional to 14,160.40, 21,204.15 and 11,244.40 is: 16,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.40 : 21,204.15 = 11,244.40 : x
  2. Step 2: Convert to fraction form
    14,160.40/21,204.15 = 11,244.40/x
  3. Step 3: Cross multiply
    14,160.40x = 21,204.15 × 11,244.40
  4. Step 4: Simplify right side
    14,160.40x = 238,427,944.26
  5. Step 5: Solve for x
    x = 238,427,944.26/14,160.40
  6. Step 6: Final answer
    x = 16,837.66

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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.