Home / 18,402.48-25,395.84-10,443.96

Finding the Fourth Proportional to 18,402.48, 25,395.84 and 10,443.96

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Solution

The fourth proportional to 18,402.48, 25,395.84 and 10,443.96 is: 14,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.48 : 25,395.84 = 10,443.96 : x
  2. Step 2: Convert to fraction form
    18,402.48/25,395.84 = 10,443.96/x
  3. Step 3: Cross multiply
    18,402.48x = 25,395.84 × 10,443.96
  4. Step 4: Simplify right side
    18,402.48x = 265,233,137.13
  5. Step 5: Solve for x
    x = 265,233,137.13/18,402.48
  6. Step 6: Final answer
    x = 14,412.90

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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.