Home / 14,111.90-21,167.85-5,346.35

Finding the Fourth Proportional to 14,111.90, 21,167.85 and 5,346.35

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Solution

The fourth proportional to 14,111.90, 21,167.85 and 5,346.35 is: 8,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.90 : 21,167.85 = 5,346.35 : x
  2. Step 2: Convert to fraction form
    14,111.90/21,167.85 = 5,346.35/x
  3. Step 3: Cross multiply
    14,111.90x = 21,167.85 × 5,346.35
  4. Step 4: Simplify right side
    14,111.90x = 113,170,734.85
  5. Step 5: Solve for x
    x = 113,170,734.85/14,111.90
  6. Step 6: Final answer
    x = 8,019.53

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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.