Home / 18,108.73-24,991.08-13,624.45

Finding the Fourth Proportional to 18,108.73, 24,991.08 and 13,624.45

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Solution

The fourth proportional to 18,108.73, 24,991.08 and 13,624.45 is: 18,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.73 : 24,991.08 = 13,624.45 : x
  2. Step 2: Convert to fraction form
    18,108.73/24,991.08 = 13,624.45/x
  3. Step 3: Cross multiply
    18,108.73x = 24,991.08 × 13,624.45
  4. Step 4: Simplify right side
    18,108.73x = 340,489,719.91
  5. Step 5: Solve for x
    x = 340,489,719.91/18,108.73
  6. Step 6: Final answer
    x = 18,802.52

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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.