Home / 18,137.57-25,032.51-11,068.10

Finding the Fourth Proportional to 18,137.57, 25,032.51 and 11,068.10

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Solution

The fourth proportional to 18,137.57, 25,032.51 and 11,068.10 is: 15,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.57 : 25,032.51 = 11,068.10 : x
  2. Step 2: Convert to fraction form
    18,137.57/25,032.51 = 11,068.10/x
  3. Step 3: Cross multiply
    18,137.57x = 25,032.51 × 11,068.10
  4. Step 4: Simplify right side
    18,137.57x = 277,062,198.77
  5. Step 5: Solve for x
    x = 277,062,198.77/18,137.57
  6. Step 6: Final answer
    x = 15,275.60

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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.