Home / 18,856.05-26,027.45-13,566.25

Finding the Fourth Proportional to 18,856.05, 26,027.45 and 13,566.25

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Solution

The fourth proportional to 18,856.05, 26,027.45 and 13,566.25 is: 18,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.05 : 26,027.45 = 13,566.25 : x
  2. Step 2: Convert to fraction form
    18,856.05/26,027.45 = 13,566.25/x
  3. Step 3: Cross multiply
    18,856.05x = 26,027.45 × 13,566.25
  4. Step 4: Simplify right side
    18,856.05x = 353,094,893.56
  5. Step 5: Solve for x
    x = 353,094,893.56/18,856.05
  6. Step 6: Final answer
    x = 18,725.81

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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.