Home / 18,695.14-25,789.40-11,526.59

Finding the Fourth Proportional to 18,695.14, 25,789.40 and 11,526.59

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Solution

The fourth proportional to 18,695.14, 25,789.40 and 11,526.59 is: 15,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.14 : 25,789.40 = 11,526.59 : x
  2. Step 2: Convert to fraction form
    18,695.14/25,789.40 = 11,526.59/x
  3. Step 3: Cross multiply
    18,695.14x = 25,789.40 × 11,526.59
  4. Step 4: Simplify right side
    18,695.14x = 297,263,840.15
  5. Step 5: Solve for x
    x = 297,263,840.15/18,695.14
  6. Step 6: Final answer
    x = 15,900.59

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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.