Home / 18,838.06-25,996.84-10,340.98

Finding the Fourth Proportional to 18,838.06, 25,996.84 and 10,340.98

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Solution

The fourth proportional to 18,838.06, 25,996.84 and 10,340.98 is: 14,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.06 : 25,996.84 = 10,340.98 : x
  2. Step 2: Convert to fraction form
    18,838.06/25,996.84 = 10,340.98/x
  3. Step 3: Cross multiply
    18,838.06x = 25,996.84 × 10,340.98
  4. Step 4: Simplify right side
    18,838.06x = 268,832,802.50
  5. Step 5: Solve for x
    x = 268,832,802.50/18,838.06
  6. Step 6: Final answer
    x = 14,270.73

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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.