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Finding the Fourth Proportional to 18,153.53, 25,051.54 and 10,087.22

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Solution

The fourth proportional to 18,153.53, 25,051.54 and 10,087.22 is: 13,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.53 : 25,051.54 = 10,087.22 : x
  2. Step 2: Convert to fraction form
    18,153.53/25,051.54 = 10,087.22/x
  3. Step 3: Cross multiply
    18,153.53x = 25,051.54 × 10,087.22
  4. Step 4: Simplify right side
    18,153.53x = 252,700,244.84
  5. Step 5: Solve for x
    x = 252,700,244.84/18,153.53
  6. Step 6: Final answer
    x = 13,920.17

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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.