Home / 18,089.05-24,963.01-10,131.28

Finding the Fourth Proportional to 18,089.05, 24,963.01 and 10,131.28

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Solution

The fourth proportional to 18,089.05, 24,963.01 and 10,131.28 is: 13,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.05 : 24,963.01 = 10,131.28 : x
  2. Step 2: Convert to fraction form
    18,089.05/24,963.01 = 10,131.28/x
  3. Step 3: Cross multiply
    18,089.05x = 24,963.01 × 10,131.28
  4. Step 4: Simplify right side
    18,089.05x = 252,907,184.71
  5. Step 5: Solve for x
    x = 252,907,184.71/18,089.05
  6. Step 6: Final answer
    x = 13,981.23

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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.