Home / 33,990.18-50,985.34-12,925.28

Finding the Fourth Proportional to 33,990.18, 50,985.34 and 12,925.28

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Solution

The fourth proportional to 33,990.18, 50,985.34 and 12,925.28 is: 19,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.18 : 50,985.34 = 12,925.28 : x
  2. Step 2: Convert to fraction form
    33,990.18/50,985.34 = 12,925.28/x
  3. Step 3: Cross multiply
    33,990.18x = 50,985.34 × 12,925.28
  4. Step 4: Simplify right side
    33,990.18x = 658,999,795.40
  5. Step 5: Solve for x
    x = 658,999,795.40/33,990.18
  6. Step 6: Final answer
    x = 19,387.95

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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.