Home / 13,332.48-19,991.87-7,796.63

Finding the Fourth Proportional to 13,332.48, 19,991.87 and 7,796.63

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Solution

The fourth proportional to 13,332.48, 19,991.87 and 7,796.63 is: 11,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.48 : 19,991.87 = 7,796.63 : x
  2. Step 2: Convert to fraction form
    13,332.48/19,991.87 = 7,796.63/x
  3. Step 3: Cross multiply
    13,332.48x = 19,991.87 × 7,796.63
  4. Step 4: Simplify right side
    13,332.48x = 155,869,213.40
  5. Step 5: Solve for x
    x = 155,869,213.40/13,332.48
  6. Step 6: Final answer
    x = 11,690.94

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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.