Home / 14,090.01-19,444.32-8,121.66

Finding the Fourth Proportional to 14,090.01, 19,444.32 and 8,121.66

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Solution

The fourth proportional to 14,090.01, 19,444.32 and 8,121.66 is: 11,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.01 : 19,444.32 = 8,121.66 : x
  2. Step 2: Convert to fraction form
    14,090.01/19,444.32 = 8,121.66/x
  3. Step 3: Cross multiply
    14,090.01x = 19,444.32 × 8,121.66
  4. Step 4: Simplify right side
    14,090.01x = 157,920,155.97
  5. Step 5: Solve for x
    x = 157,920,155.97/14,090.01
  6. Step 6: Final answer
    x = 11,207.95

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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.