Home / 19,938.08-29,884.77-8,089.10

Finding the Fourth Proportional to 19,938.08, 29,884.77 and 8,089.10

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Solution

The fourth proportional to 19,938.08, 29,884.77 and 8,089.10 is: 12,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.08 : 29,884.77 = 8,089.10 : x
  2. Step 2: Convert to fraction form
    19,938.08/29,884.77 = 8,089.10/x
  3. Step 3: Cross multiply
    19,938.08x = 29,884.77 × 8,089.10
  4. Step 4: Simplify right side
    19,938.08x = 241,740,893.01
  5. Step 5: Solve for x
    x = 241,740,893.01/19,938.08
  6. Step 6: Final answer
    x = 12,124.58

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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.