Home / 19,261.60-28,889.92-6,114.12

Finding the Fourth Proportional to 19,261.60, 28,889.92 and 6,114.12

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Solution

The fourth proportional to 19,261.60, 28,889.92 and 6,114.12 is: 9,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.60 : 28,889.92 = 6,114.12 : x
  2. Step 2: Convert to fraction form
    19,261.60/28,889.92 = 6,114.12/x
  3. Step 3: Cross multiply
    19,261.60x = 28,889.92 × 6,114.12
  4. Step 4: Simplify right side
    19,261.60x = 176,636,437.67
  5. Step 5: Solve for x
    x = 176,636,437.67/19,261.60
  6. Step 6: Final answer
    x = 9,170.39

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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.