Home / 18,621.52-25,698.14-10,124.13

Finding the Fourth Proportional to 18,621.52, 25,698.14 and 10,124.13

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Solution

The fourth proportional to 18,621.52, 25,698.14 and 10,124.13 is: 13,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.52 : 25,698.14 = 10,124.13 : x
  2. Step 2: Convert to fraction form
    18,621.52/25,698.14 = 10,124.13/x
  3. Step 3: Cross multiply
    18,621.52x = 25,698.14 × 10,124.13
  4. Step 4: Simplify right side
    18,621.52x = 260,171,310.12
  5. Step 5: Solve for x
    x = 260,171,310.12/18,621.52
  6. Step 6: Final answer
    x = 13,971.54

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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.