Home / 19,472.08-26,870.52-11,091.28

Finding the Fourth Proportional to 19,472.08, 26,870.52 and 11,091.28

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Solution

The fourth proportional to 19,472.08, 26,870.52 and 11,091.28 is: 15,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.08 : 26,870.52 = 11,091.28 : x
  2. Step 2: Convert to fraction form
    19,472.08/26,870.52 = 11,091.28/x
  3. Step 3: Cross multiply
    19,472.08x = 26,870.52 × 11,091.28
  4. Step 4: Simplify right side
    19,472.08x = 298,028,461.07
  5. Step 5: Solve for x
    x = 298,028,461.07/19,472.08
  6. Step 6: Final answer
    x = 15,305.43

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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.