Home / 14,417.62-19,912.72-9,693.70

Finding the Fourth Proportional to 14,417.62, 19,912.72 and 9,693.70

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Solution

The fourth proportional to 14,417.62, 19,912.72 and 9,693.70 is: 13,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.62 : 19,912.72 = 9,693.70 : x
  2. Step 2: Convert to fraction form
    14,417.62/19,912.72 = 9,693.70/x
  3. Step 3: Cross multiply
    14,417.62x = 19,912.72 × 9,693.70
  4. Step 4: Simplify right side
    14,417.62x = 193,027,933.86
  5. Step 5: Solve for x
    x = 193,027,933.86/14,417.62
  6. Step 6: Final answer
    x = 13,388.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.