Home / 18,341.30-25,311.07-10,385.06

Finding the Fourth Proportional to 18,341.30, 25,311.07 and 10,385.06

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Solution

The fourth proportional to 18,341.30, 25,311.07 and 10,385.06 is: 14,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.30 : 25,311.07 = 10,385.06 : x
  2. Step 2: Convert to fraction form
    18,341.30/25,311.07 = 10,385.06/x
  3. Step 3: Cross multiply
    18,341.30x = 25,311.07 × 10,385.06
  4. Step 4: Simplify right side
    18,341.30x = 262,856,980.61
  5. Step 5: Solve for x
    x = 262,856,980.61/18,341.30
  6. Step 6: Final answer
    x = 14,331.43

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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.