Home / 19,427.44-26,808.70-11,472.16

Finding the Fourth Proportional to 19,427.44, 26,808.70 and 11,472.16

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Solution

The fourth proportional to 19,427.44, 26,808.70 and 11,472.16 is: 15,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.44 : 26,808.70 = 11,472.16 : x
  2. Step 2: Convert to fraction form
    19,427.44/26,808.70 = 11,472.16/x
  3. Step 3: Cross multiply
    19,427.44x = 26,808.70 × 11,472.16
  4. Step 4: Simplify right side
    19,427.44x = 307,553,695.79
  5. Step 5: Solve for x
    x = 307,553,695.79/19,427.44
  6. Step 6: Final answer
    x = 15,830.89

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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.