Home / 13,925.99-20,897.19-6,530.51

Finding the Fourth Proportional to 13,925.99, 20,897.19 and 6,530.51

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Solution

The fourth proportional to 13,925.99, 20,897.19 and 6,530.51 is: 9,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.99 : 20,897.19 = 6,530.51 : x
  2. Step 2: Convert to fraction form
    13,925.99/20,897.19 = 6,530.51/x
  3. Step 3: Cross multiply
    13,925.99x = 20,897.19 × 6,530.51
  4. Step 4: Simplify right side
    13,925.99x = 136,469,203.78
  5. Step 5: Solve for x
    x = 136,469,203.78/13,925.99
  6. Step 6: Final answer
    x = 9,799.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.