Home / 19,456.11-26,848.34-11,499.08

Finding the Fourth Proportional to 19,456.11, 26,848.34 and 11,499.08

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Solution

The fourth proportional to 19,456.11, 26,848.34 and 11,499.08 is: 15,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.11 : 26,848.34 = 11,499.08 : x
  2. Step 2: Convert to fraction form
    19,456.11/26,848.34 = 11,499.08/x
  3. Step 3: Cross multiply
    19,456.11x = 26,848.34 × 11,499.08
  4. Step 4: Simplify right side
    19,456.11x = 308,731,017.79
  5. Step 5: Solve for x
    x = 308,731,017.79/19,456.11
  6. Step 6: Final answer
    x = 15,868.08

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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.