Home / 18,407.24-25,398.50-10,855.94

Finding the Fourth Proportional to 18,407.24, 25,398.50 and 10,855.94

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Solution

The fourth proportional to 18,407.24, 25,398.50 and 10,855.94 is: 14,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.24 : 25,398.50 = 10,855.94 : x
  2. Step 2: Convert to fraction form
    18,407.24/25,398.50 = 10,855.94/x
  3. Step 3: Cross multiply
    18,407.24x = 25,398.50 × 10,855.94
  4. Step 4: Simplify right side
    18,407.24x = 275,724,592.09
  5. Step 5: Solve for x
    x = 275,724,592.09/18,407.24
  6. Step 6: Final answer
    x = 14,979.14

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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.