Home / 18,460.40-25,473.83-10,500.66

Finding the Fourth Proportional to 18,460.40, 25,473.83 and 10,500.66

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Solution

The fourth proportional to 18,460.40, 25,473.83 and 10,500.66 is: 14,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.40 : 25,473.83 = 10,500.66 : x
  2. Step 2: Convert to fraction form
    18,460.40/25,473.83 = 10,500.66/x
  3. Step 3: Cross multiply
    18,460.40x = 25,473.83 × 10,500.66
  4. Step 4: Simplify right side
    18,460.40x = 267,491,975.22
  5. Step 5: Solve for x
    x = 267,491,975.22/18,460.40
  6. Step 6: Final answer
    x = 14,490.05

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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.