Home / 15,890.60-23,787.30-9,297.20

Finding the Fourth Proportional to 15,890.60, 23,787.30 and 9,297.20

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Solution

The fourth proportional to 15,890.60, 23,787.30 and 9,297.20 is: 13,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.60 : 23,787.30 = 9,297.20 : x
  2. Step 2: Convert to fraction form
    15,890.60/23,787.30 = 9,297.20/x
  3. Step 3: Cross multiply
    15,890.60x = 23,787.30 × 9,297.20
  4. Step 4: Simplify right side
    15,890.60x = 221,155,285.56
  5. Step 5: Solve for x
    x = 221,155,285.56/15,890.60
  6. Step 6: Final answer
    x = 13,917.37

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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.