Home / 14,309.08-19,746.66-8,021.48

Finding the Fourth Proportional to 14,309.08, 19,746.66 and 8,021.48

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Solution

The fourth proportional to 14,309.08, 19,746.66 and 8,021.48 is: 11,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.08 : 19,746.66 = 8,021.48 : x
  2. Step 2: Convert to fraction form
    14,309.08/19,746.66 = 8,021.48/x
  3. Step 3: Cross multiply
    14,309.08x = 19,746.66 × 8,021.48
  4. Step 4: Simplify right side
    14,309.08x = 158,397,438.26
  5. Step 5: Solve for x
    x = 158,397,438.26/14,309.08
  6. Step 6: Final answer
    x = 11,069.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.