Home / 19,684.07-29,530.22-10,900.57

Finding the Fourth Proportional to 19,684.07, 29,530.22 and 10,900.57

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Solution

The fourth proportional to 19,684.07, 29,530.22 and 10,900.57 is: 16,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.07 : 29,530.22 = 10,900.57 : x
  2. Step 2: Convert to fraction form
    19,684.07/29,530.22 = 10,900.57/x
  3. Step 3: Cross multiply
    19,684.07x = 29,530.22 × 10,900.57
  4. Step 4: Simplify right side
    19,684.07x = 321,896,230.23
  5. Step 5: Solve for x
    x = 321,896,230.23/19,684.07
  6. Step 6: Final answer
    x = 16,353.13

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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.