Home / 18,335.72-27,505.42-6,646.28

Finding the Fourth Proportional to 18,335.72, 27,505.42 and 6,646.28

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Solution

The fourth proportional to 18,335.72, 27,505.42 and 6,646.28 is: 9,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.72 : 27,505.42 = 6,646.28 : x
  2. Step 2: Convert to fraction form
    18,335.72/27,505.42 = 6,646.28/x
  3. Step 3: Cross multiply
    18,335.72x = 27,505.42 × 6,646.28
  4. Step 4: Simplify right side
    18,335.72x = 182,808,722.84
  5. Step 5: Solve for x
    x = 182,808,722.84/18,335.72
  6. Step 6: Final answer
    x = 9,970.09

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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.