Home / 18,095.49-24,972.47-10,137.78

Finding the Fourth Proportional to 18,095.49, 24,972.47 and 10,137.78

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Solution

The fourth proportional to 18,095.49, 24,972.47 and 10,137.78 is: 13,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.49 : 24,972.47 = 10,137.78 : x
  2. Step 2: Convert to fraction form
    18,095.49/24,972.47 = 10,137.78/x
  3. Step 3: Cross multiply
    18,095.49x = 24,972.47 × 10,137.78
  4. Step 4: Simplify right side
    18,095.49x = 253,165,406.92
  5. Step 5: Solve for x
    x = 253,165,406.92/18,095.49
  6. Step 6: Final answer
    x = 13,990.53

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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.