Home / 12,927.60-19,411.20-7,095.60

Finding the Fourth Proportional to 12,927.60, 19,411.20 and 7,095.60

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Solution

The fourth proportional to 12,927.60, 19,411.20 and 7,095.60 is: 10,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.60 : 19,411.20 = 7,095.60 : x
  2. Step 2: Convert to fraction form
    12,927.60/19,411.20 = 7,095.60/x
  3. Step 3: Cross multiply
    12,927.60x = 19,411.20 × 7,095.60
  4. Step 4: Simplify right side
    12,927.60x = 137,734,110.72
  5. Step 5: Solve for x
    x = 137,734,110.72/12,927.60
  6. Step 6: Final answer
    x = 10,654.27

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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.