Home / 33,325.38-45,988.63-18,218.07

Finding the Fourth Proportional to 33,325.38, 45,988.63 and 18,218.07

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Solution

The fourth proportional to 33,325.38, 45,988.63 and 18,218.07 is: 25,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.38 : 45,988.63 = 18,218.07 : x
  2. Step 2: Convert to fraction form
    33,325.38/45,988.63 = 18,218.07/x
  3. Step 3: Cross multiply
    33,325.38x = 45,988.63 × 18,218.07
  4. Step 4: Simplify right side
    33,325.38x = 837,824,035.00
  5. Step 5: Solve for x
    x = 837,824,035.00/33,325.38
  6. Step 6: Final answer
    x = 25,140.72

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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.