Home / 15,693.45-23,518.31-11,793.30

Finding the Fourth Proportional to 15,693.45, 23,518.31 and 11,793.30

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Solution

The fourth proportional to 15,693.45, 23,518.31 and 11,793.30 is: 17,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.45 : 23,518.31 = 11,793.30 : x
  2. Step 2: Convert to fraction form
    15,693.45/23,518.31 = 11,793.30/x
  3. Step 3: Cross multiply
    15,693.45x = 23,518.31 × 11,793.30
  4. Step 4: Simplify right side
    15,693.45x = 277,358,426.36
  5. Step 5: Solve for x
    x = 277,358,426.36/15,693.45
  6. Step 6: Final answer
    x = 17,673.52

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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.