Home / 26,405.48-39,620.90-16,407.51

Finding the Fourth Proportional to 26,405.48, 39,620.90 and 16,407.51

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Solution

The fourth proportional to 26,405.48, 39,620.90 and 16,407.51 is: 24,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.48 : 39,620.90 = 16,407.51 : x
  2. Step 2: Convert to fraction form
    26,405.48/39,620.90 = 16,407.51/x
  3. Step 3: Cross multiply
    26,405.48x = 39,620.90 × 16,407.51
  4. Step 4: Simplify right side
    26,405.48x = 650,080,353.98
  5. Step 5: Solve for x
    x = 650,080,353.98/26,405.48
  6. Step 6: Final answer
    x = 24,619.15

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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.