Home / 19,200.99-26,506.26-13,540.35

Finding the Fourth Proportional to 19,200.99, 26,506.26 and 13,540.35

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Solution

The fourth proportional to 19,200.99, 26,506.26 and 13,540.35 is: 18,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.99 : 26,506.26 = 13,540.35 : x
  2. Step 2: Convert to fraction form
    19,200.99/26,506.26 = 13,540.35/x
  3. Step 3: Cross multiply
    19,200.99x = 26,506.26 × 13,540.35
  4. Step 4: Simplify right side
    19,200.99x = 358,904,037.59
  5. Step 5: Solve for x
    x = 358,904,037.59/19,200.99
  6. Step 6: Final answer
    x = 18,691.95

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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.