Home / 18,901.50-26,084.07-10,519.98

Finding the Fourth Proportional to 18,901.50, 26,084.07 and 10,519.98

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Solution

The fourth proportional to 18,901.50, 26,084.07 and 10,519.98 is: 14,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.50 : 26,084.07 = 10,519.98 : x
  2. Step 2: Convert to fraction form
    18,901.50/26,084.07 = 10,519.98/x
  3. Step 3: Cross multiply
    18,901.50x = 26,084.07 × 10,519.98
  4. Step 4: Simplify right side
    18,901.50x = 274,403,894.72
  5. Step 5: Solve for x
    x = 274,403,894.72/18,901.50
  6. Step 6: Final answer
    x = 14,517.57

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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.