Home / 18,856.32-26,016.96-12,564.48

Finding the Fourth Proportional to 18,856.32, 26,016.96 and 12,564.48

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Solution

The fourth proportional to 18,856.32, 26,016.96 and 12,564.48 is: 17,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.32 : 26,016.96 = 12,564.48 : x
  2. Step 2: Convert to fraction form
    18,856.32/26,016.96 = 12,564.48/x
  3. Step 3: Cross multiply
    18,856.32x = 26,016.96 × 12,564.48
  4. Step 4: Simplify right side
    18,856.32x = 326,889,573.58
  5. Step 5: Solve for x
    x = 326,889,573.58/18,856.32
  6. Step 6: Final answer
    x = 17,335.81

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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.