Home / 14,346.40-19,797.63-7,972.83

Finding the Fourth Proportional to 14,346.40, 19,797.63 and 7,972.83

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Solution

The fourth proportional to 14,346.40, 19,797.63 and 7,972.83 is: 11,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.40 : 19,797.63 = 7,972.83 : x
  2. Step 2: Convert to fraction form
    14,346.40/19,797.63 = 7,972.83/x
  3. Step 3: Cross multiply
    14,346.40x = 19,797.63 × 7,972.83
  4. Step 4: Simplify right side
    14,346.40x = 157,843,138.39
  5. Step 5: Solve for x
    x = 157,843,138.39/14,346.40
  6. Step 6: Final answer
    x = 11,002.28

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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.