Home / 25,395.89-38,109.40-11,367.77

Finding the Fourth Proportional to 25,395.89, 38,109.40 and 11,367.77

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Solution

The fourth proportional to 25,395.89, 38,109.40 and 11,367.77 is: 17,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.89 : 38,109.40 = 11,367.77 : x
  2. Step 2: Convert to fraction form
    25,395.89/38,109.40 = 11,367.77/x
  3. Step 3: Cross multiply
    25,395.89x = 38,109.40 × 11,367.77
  4. Step 4: Simplify right side
    25,395.89x = 433,219,039.40
  5. Step 5: Solve for x
    x = 433,219,039.40/25,395.89
  6. Step 6: Final answer
    x = 17,058.63

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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.