Home / 19,956.71-27,543.56-12,003.32

Finding the Fourth Proportional to 19,956.71, 27,543.56 and 12,003.32

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Solution

The fourth proportional to 19,956.71, 27,543.56 and 12,003.32 is: 16,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.71 : 27,543.56 = 12,003.32 : x
  2. Step 2: Convert to fraction form
    19,956.71/27,543.56 = 12,003.32/x
  3. Step 3: Cross multiply
    19,956.71x = 27,543.56 × 12,003.32
  4. Step 4: Simplify right side
    19,956.71x = 330,614,173.46
  5. Step 5: Solve for x
    x = 330,614,173.46/19,956.71
  6. Step 6: Final answer
    x = 16,566.56

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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.