Home / 45,048.38-67,572.57-13,883.63

Finding the Fourth Proportional to 45,048.38, 67,572.57 and 13,883.63

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Solution

The fourth proportional to 45,048.38, 67,572.57 and 13,883.63 is: 20,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,048.38 : 67,572.57 = 13,883.63 : x
  2. Step 2: Convert to fraction form
    45,048.38/67,572.57 = 13,883.63/x
  3. Step 3: Cross multiply
    45,048.38x = 67,572.57 × 13,883.63
  4. Step 4: Simplify right side
    45,048.38x = 938,152,222.17
  5. Step 5: Solve for x
    x = 938,152,222.17/45,048.38
  6. Step 6: Final answer
    x = 20,825.44

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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.