Home / 18,880.50-26,055.09-10,498.62

Finding the Fourth Proportional to 18,880.50, 26,055.09 and 10,498.62

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Solution

The fourth proportional to 18,880.50, 26,055.09 and 10,498.62 is: 14,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.50 : 26,055.09 = 10,498.62 : x
  2. Step 2: Convert to fraction form
    18,880.50/26,055.09 = 10,498.62/x
  3. Step 3: Cross multiply
    18,880.50x = 26,055.09 × 10,498.62
  4. Step 4: Simplify right side
    18,880.50x = 273,542,488.98
  5. Step 5: Solve for x
    x = 273,542,488.98/18,880.50
  6. Step 6: Final answer
    x = 14,488.10

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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.