Home / 18,717.32-25,829.84-10,333.76

Finding the Fourth Proportional to 18,717.32, 25,829.84 and 10,333.76

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Solution

The fourth proportional to 18,717.32, 25,829.84 and 10,333.76 is: 14,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.32 : 25,829.84 = 10,333.76 : x
  2. Step 2: Convert to fraction form
    18,717.32/25,829.84 = 10,333.76/x
  3. Step 3: Cross multiply
    18,717.32x = 25,829.84 × 10,333.76
  4. Step 4: Simplify right side
    18,717.32x = 266,919,367.40
  5. Step 5: Solve for x
    x = 266,919,367.40/18,717.32
  6. Step 6: Final answer
    x = 14,260.55

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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.