Home / 33,238.15-45,866.86-18,130.84

Finding the Fourth Proportional to 33,238.15, 45,866.86 and 18,130.84

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Solution

The fourth proportional to 33,238.15, 45,866.86 and 18,130.84 is: 25,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.15 : 45,866.86 = 18,130.84 : x
  2. Step 2: Convert to fraction form
    33,238.15/45,866.86 = 18,130.84/x
  3. Step 3: Cross multiply
    33,238.15x = 45,866.86 × 18,130.84
  4. Step 4: Simplify right side
    33,238.15x = 831,604,539.97
  5. Step 5: Solve for x
    x = 831,604,539.97/33,238.15
  6. Step 6: Final answer
    x = 25,019.58

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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.