Home / 27,129.28-40,705.62-14,646.83

Finding the Fourth Proportional to 27,129.28, 40,705.62 and 14,646.83

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Solution

The fourth proportional to 27,129.28, 40,705.62 and 14,646.83 is: 21,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.28 : 40,705.62 = 14,646.83 : x
  2. Step 2: Convert to fraction form
    27,129.28/40,705.62 = 14,646.83/x
  3. Step 3: Cross multiply
    27,129.28x = 40,705.62 × 14,646.83
  4. Step 4: Simplify right side
    27,129.28x = 596,208,270.74
  5. Step 5: Solve for x
    x = 596,208,270.74/27,129.28
  6. Step 6: Final answer
    x = 21,976.56

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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.