Home / 18,126.59-25,014.69-10,578.11

Finding the Fourth Proportional to 18,126.59, 25,014.69 and 10,578.11

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Solution

The fourth proportional to 18,126.59, 25,014.69 and 10,578.11 is: 14,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.59 : 25,014.69 = 10,578.11 : x
  2. Step 2: Convert to fraction form
    18,126.59/25,014.69 = 10,578.11/x
  3. Step 3: Cross multiply
    18,126.59x = 25,014.69 × 10,578.11
  4. Step 4: Simplify right side
    18,126.59x = 264,608,017.36
  5. Step 5: Solve for x
    x = 264,608,017.36/18,126.59
  6. Step 6: Final answer
    x = 14,597.79

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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.