Home / 26,386.48-39,588-11,607.82

Finding the Fourth Proportional to 26,386.48, 39,588 and 11,607.82

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Solution

The fourth proportional to 26,386.48, 39,588 and 11,607.82 is: 17,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.48 : 39,588 = 11,607.82 : x
  2. Step 2: Convert to fraction form
    26,386.48/39,588 = 11,607.82/x
  3. Step 3: Cross multiply
    26,386.48x = 39,588 × 11,607.82
  4. Step 4: Simplify right side
    26,386.48x = 459,530,378.16
  5. Step 5: Solve for x
    x = 459,530,378.16/26,386.48
  6. Step 6: Final answer
    x = 17,415.37

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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.