Home / 14,235.72-21,345.35-5,906.22

Finding the Fourth Proportional to 14,235.72, 21,345.35 and 5,906.22

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Solution

The fourth proportional to 14,235.72, 21,345.35 and 5,906.22 is: 8,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.72 : 21,345.35 = 5,906.22 : x
  2. Step 2: Convert to fraction form
    14,235.72/21,345.35 = 5,906.22/x
  3. Step 3: Cross multiply
    14,235.72x = 21,345.35 × 5,906.22
  4. Step 4: Simplify right side
    14,235.72x = 126,070,303.55
  5. Step 5: Solve for x
    x = 126,070,303.55/14,235.72
  6. Step 6: Final answer
    x = 8,855.91

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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.