Home / 26,374.65-39,559.25-13,889.61

Finding the Fourth Proportional to 26,374.65, 39,559.25 and 13,889.61

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Solution

The fourth proportional to 26,374.65, 39,559.25 and 13,889.61 is: 20,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,374.65 : 39,559.25 = 13,889.61 : x
  2. Step 2: Convert to fraction form
    26,374.65/39,559.25 = 13,889.61/x
  3. Step 3: Cross multiply
    26,374.65x = 39,559.25 × 13,889.61
  4. Step 4: Simplify right side
    26,374.65x = 549,462,484.94
  5. Step 5: Solve for x
    x = 549,462,484.94/26,374.65
  6. Step 6: Final answer
    x = 20,832.98

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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.