Home / 18,856.56-26,028.15-13,566.75

Finding the Fourth Proportional to 18,856.56, 26,028.15 and 13,566.75

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Solution

The fourth proportional to 18,856.56, 26,028.15 and 13,566.75 is: 18,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.56 : 26,028.15 = 13,566.75 : x
  2. Step 2: Convert to fraction form
    18,856.56/26,028.15 = 13,566.75/x
  3. Step 3: Cross multiply
    18,856.56x = 26,028.15 × 13,566.75
  4. Step 4: Simplify right side
    18,856.56x = 353,117,404.01
  5. Step 5: Solve for x
    x = 353,117,404.01/18,856.56
  6. Step 6: Final answer
    x = 18,726.50

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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.