Home / 26,407.54-39,611.40-10,619.74

Finding the Fourth Proportional to 26,407.54, 39,611.40 and 10,619.74

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Solution

The fourth proportional to 26,407.54, 39,611.40 and 10,619.74 is: 15,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.54 : 39,611.40 = 10,619.74 : x
  2. Step 2: Convert to fraction form
    26,407.54/39,611.40 = 10,619.74/x
  3. Step 3: Cross multiply
    26,407.54x = 39,611.40 × 10,619.74
  4. Step 4: Simplify right side
    26,407.54x = 420,662,769.04
  5. Step 5: Solve for x
    x = 420,662,769.04/26,407.54
  6. Step 6: Final answer
    x = 15,929.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.