Home / 19,536.08-26,961.72-11,153.84

Finding the Fourth Proportional to 19,536.08, 26,961.72 and 11,153.84

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Solution

The fourth proportional to 19,536.08, 26,961.72 and 11,153.84 is: 15,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.08 : 26,961.72 = 11,153.84 : x
  2. Step 2: Convert to fraction form
    19,536.08/26,961.72 = 11,153.84/x
  3. Step 3: Cross multiply
    19,536.08x = 26,961.72 × 11,153.84
  4. Step 4: Simplify right side
    19,536.08x = 300,726,711.00
  5. Step 5: Solve for x
    x = 300,726,711.00/19,536.08
  6. Step 6: Final answer
    x = 15,393.40

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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.