Home / 18,184.65-25,096.13-10,120.09

Finding the Fourth Proportional to 18,184.65, 25,096.13 and 10,120.09

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Solution

The fourth proportional to 18,184.65, 25,096.13 and 10,120.09 is: 13,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.65 : 25,096.13 = 10,120.09 : x
  2. Step 2: Convert to fraction form
    18,184.65/25,096.13 = 10,120.09/x
  3. Step 3: Cross multiply
    18,184.65x = 25,096.13 × 10,120.09
  4. Step 4: Simplify right side
    18,184.65x = 253,975,065.92
  5. Step 5: Solve for x
    x = 253,975,065.92/18,184.65
  6. Step 6: Final answer
    x = 13,966.45

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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.