Home / 19,801.61-29,449.93-19,302.86

Finding the Fourth Proportional to 19,801.61, 29,449.93 and 19,302.86

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Solution

The fourth proportional to 19,801.61, 29,449.93 and 19,302.86 is: 28,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.61 : 29,449.93 = 19,302.86 : x
  2. Step 2: Convert to fraction form
    19,801.61/29,449.93 = 19,302.86/x
  3. Step 3: Cross multiply
    19,801.61x = 29,449.93 × 19,302.86
  4. Step 4: Simplify right side
    19,801.61x = 568,467,771.70
  5. Step 5: Solve for x
    x = 568,467,771.70/19,801.61
  6. Step 6: Final answer
    x = 28,708.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.