Home / 19,221.66-26,528.54-11,267.06

Finding the Fourth Proportional to 19,221.66, 26,528.54 and 11,267.06

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Solution

The fourth proportional to 19,221.66, 26,528.54 and 11,267.06 is: 15,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.66 : 26,528.54 = 11,267.06 : x
  2. Step 2: Convert to fraction form
    19,221.66/26,528.54 = 11,267.06/x
  3. Step 3: Cross multiply
    19,221.66x = 26,528.54 × 11,267.06
  4. Step 4: Simplify right side
    19,221.66x = 298,898,651.89
  5. Step 5: Solve for x
    x = 298,898,651.89/19,221.66
  6. Step 6: Final answer
    x = 15,550.10

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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.