Home / 19,917.84-29,867.04-11,600.76

Finding the Fourth Proportional to 19,917.84, 29,867.04 and 11,600.76

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Solution

The fourth proportional to 19,917.84, 29,867.04 and 11,600.76 is: 17,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.84 : 29,867.04 = 11,600.76 : x
  2. Step 2: Convert to fraction form
    19,917.84/29,867.04 = 11,600.76/x
  3. Step 3: Cross multiply
    19,917.84x = 29,867.04 × 11,600.76
  4. Step 4: Simplify right side
    19,917.84x = 346,480,362.95
  5. Step 5: Solve for x
    x = 346,480,362.95/19,917.84
  6. Step 6: Final answer
    x = 17,395.48

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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.