Home / 14,104.56-21,155.16-3,717.12

Finding the Fourth Proportional to 14,104.56, 21,155.16 and 3,717.12

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Solution

The fourth proportional to 14,104.56, 21,155.16 and 3,717.12 is: 5,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.56 : 21,155.16 = 3,717.12 : x
  2. Step 2: Convert to fraction form
    14,104.56/21,155.16 = 3,717.12/x
  3. Step 3: Cross multiply
    14,104.56x = 21,155.16 × 3,717.12
  4. Step 4: Simplify right side
    14,104.56x = 78,636,268.34
  5. Step 5: Solve for x
    x = 78,636,268.34/14,104.56
  6. Step 6: Final answer
    x = 5,575.24

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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.