Home / 18,296.48-25,239.84-11,570.76

Finding the Fourth Proportional to 18,296.48, 25,239.84 and 11,570.76

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Solution

The fourth proportional to 18,296.48, 25,239.84 and 11,570.76 is: 15,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.48 : 25,239.84 = 11,570.76 : x
  2. Step 2: Convert to fraction form
    18,296.48/25,239.84 = 11,570.76/x
  3. Step 3: Cross multiply
    18,296.48x = 25,239.84 × 11,570.76
  4. Step 4: Simplify right side
    18,296.48x = 292,044,131.08
  5. Step 5: Solve for x
    x = 292,044,131.08/18,296.48
  6. Step 6: Final answer
    x = 15,961.77

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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.