Home / 19,305.11-28,957.35-6,157.39

Finding the Fourth Proportional to 19,305.11, 28,957.35 and 6,157.39

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Solution

The fourth proportional to 19,305.11, 28,957.35 and 6,157.39 is: 9,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.11 : 28,957.35 = 6,157.39 : x
  2. Step 2: Convert to fraction form
    19,305.11/28,957.35 = 6,157.39/x
  3. Step 3: Cross multiply
    19,305.11x = 28,957.35 × 6,157.39
  4. Step 4: Simplify right side
    19,305.11x = 178,301,697.32
  5. Step 5: Solve for x
    x = 178,301,697.32/19,305.11
  6. Step 6: Final answer
    x = 9,235.98

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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.