Home / 26,468.51-39,685.75-12,409.74

Finding the Fourth Proportional to 26,468.51, 39,685.75 and 12,409.74

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Solution

The fourth proportional to 26,468.51, 39,685.75 and 12,409.74 is: 18,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,468.51 : 39,685.75 = 12,409.74 : x
  2. Step 2: Convert to fraction form
    26,468.51/39,685.75 = 12,409.74/x
  3. Step 3: Cross multiply
    26,468.51x = 39,685.75 × 12,409.74
  4. Step 4: Simplify right side
    26,468.51x = 492,489,808.18
  5. Step 5: Solve for x
    x = 492,489,808.18/26,468.51
  6. Step 6: Final answer
    x = 18,606.63

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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.