Home / 18,856.05-26,026.05-10,903.26

Finding the Fourth Proportional to 18,856.05, 26,026.05 and 10,903.26

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Solution

The fourth proportional to 18,856.05, 26,026.05 and 10,903.26 is: 15,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.05 : 26,026.05 = 10,903.26 : x
  2. Step 2: Convert to fraction form
    18,856.05/26,026.05 = 10,903.26/x
  3. Step 3: Cross multiply
    18,856.05x = 26,026.05 × 10,903.26
  4. Step 4: Simplify right side
    18,856.05x = 283,768,789.92
  5. Step 5: Solve for x
    x = 283,768,789.92/18,856.05
  6. Step 6: Final answer
    x = 15,049.22

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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.