Home / 18,856.53-26,026.72-10,903.34

Finding the Fourth Proportional to 18,856.53, 26,026.72 and 10,903.34

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Solution

The fourth proportional to 18,856.53, 26,026.72 and 10,903.34 is: 15,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.53 : 26,026.72 = 10,903.34 : x
  2. Step 2: Convert to fraction form
    18,856.53/26,026.72 = 10,903.34/x
  3. Step 3: Cross multiply
    18,856.53x = 26,026.72 × 10,903.34
  4. Step 4: Simplify right side
    18,856.53x = 283,778,215.05
  5. Step 5: Solve for x
    x = 283,778,215.05/18,856.53
  6. Step 6: Final answer
    x = 15,049.33

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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.