Home / 30,013.56-41,418.81-16,584.78

Finding the Fourth Proportional to 30,013.56, 41,418.81 and 16,584.78

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Solution

The fourth proportional to 30,013.56, 41,418.81 and 16,584.78 is: 22,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.56 : 41,418.81 = 16,584.78 : x
  2. Step 2: Convert to fraction form
    30,013.56/41,418.81 = 16,584.78/x
  3. Step 3: Cross multiply
    30,013.56x = 41,418.81 × 16,584.78
  4. Step 4: Simplify right side
    30,013.56x = 686,921,851.71
  5. Step 5: Solve for x
    x = 686,921,851.71/30,013.56
  6. Step 6: Final answer
    x = 22,887.05

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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.