Home / 19,937.34-29,893.86-12,151.62

Finding the Fourth Proportional to 19,937.34, 29,893.86 and 12,151.62

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Solution

The fourth proportional to 19,937.34, 29,893.86 and 12,151.62 is: 18,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.34 : 29,893.86 = 12,151.62 : x
  2. Step 2: Convert to fraction form
    19,937.34/29,893.86 = 12,151.62/x
  3. Step 3: Cross multiply
    19,937.34x = 29,893.86 × 12,151.62
  4. Step 4: Simplify right side
    19,937.34x = 363,258,827.05
  5. Step 5: Solve for x
    x = 363,258,827.05/19,937.34
  6. Step 6: Final answer
    x = 18,220.02

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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.