Home / 33,000.48-45,540.38-18,663.13

Finding the Fourth Proportional to 33,000.48, 45,540.38 and 18,663.13

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Solution

The fourth proportional to 33,000.48, 45,540.38 and 18,663.13 is: 25,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.48 : 45,540.38 = 18,663.13 : x
  2. Step 2: Convert to fraction form
    33,000.48/45,540.38 = 18,663.13/x
  3. Step 3: Cross multiply
    33,000.48x = 45,540.38 × 18,663.13
  4. Step 4: Simplify right side
    33,000.48x = 849,925,804.49
  5. Step 5: Solve for x
    x = 849,925,804.49/33,000.48
  6. Step 6: Final answer
    x = 25,754.95

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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.