Home / 18,754.96-25,887.44-10,802.84

Finding the Fourth Proportional to 18,754.96, 25,887.44 and 10,802.84

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Solution

The fourth proportional to 18,754.96, 25,887.44 and 10,802.84 is: 14,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.96 : 25,887.44 = 10,802.84 : x
  2. Step 2: Convert to fraction form
    18,754.96/25,887.44 = 10,802.84/x
  3. Step 3: Cross multiply
    18,754.96x = 25,887.44 × 10,802.84
  4. Step 4: Simplify right side
    18,754.96x = 279,657,872.33
  5. Step 5: Solve for x
    x = 279,657,872.33/18,754.96
  6. Step 6: Final answer
    x = 14,911.14

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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.