Home / 18,838.14-25,996.59-10,880.16

Finding the Fourth Proportional to 18,838.14, 25,996.59 and 10,880.16

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Solution

The fourth proportional to 18,838.14, 25,996.59 and 10,880.16 is: 15,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.14 : 25,996.59 = 10,880.16 : x
  2. Step 2: Convert to fraction form
    18,838.14/25,996.59 = 10,880.16/x
  3. Step 3: Cross multiply
    18,838.14x = 25,996.59 × 10,880.16
  4. Step 4: Simplify right side
    18,838.14x = 282,847,058.65
  5. Step 5: Solve for x
    x = 282,847,058.65/18,838.14
  6. Step 6: Final answer
    x = 15,014.60

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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.