Home / 18,713.18-25,826.10-10,755.74

Finding the Fourth Proportional to 18,713.18, 25,826.10 and 10,755.74

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Solution

The fourth proportional to 18,713.18, 25,826.10 and 10,755.74 is: 14,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.18 : 25,826.10 = 10,755.74 : x
  2. Step 2: Convert to fraction form
    18,713.18/25,826.10 = 10,755.74/x
  3. Step 3: Cross multiply
    18,713.18x = 25,826.10 × 10,755.74
  4. Step 4: Simplify right side
    18,713.18x = 277,778,816.81
  5. Step 5: Solve for x
    x = 277,778,816.81/18,713.18
  6. Step 6: Final answer
    x = 14,844.02

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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.