Home / 23,111.35-31,893.52-13,039.53

Finding the Fourth Proportional to 23,111.35, 31,893.52 and 13,039.53

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Solution

The fourth proportional to 23,111.35, 31,893.52 and 13,039.53 is: 17,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.35 : 31,893.52 = 13,039.53 : x
  2. Step 2: Convert to fraction form
    23,111.35/31,893.52 = 13,039.53/x
  3. Step 3: Cross multiply
    23,111.35x = 31,893.52 × 13,039.53
  4. Step 4: Simplify right side
    23,111.35x = 415,876,599.17
  5. Step 5: Solve for x
    x = 415,876,599.17/23,111.35
  6. Step 6: Final answer
    x = 17,994.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.