Home / 13,549.35-20,332.13-4,791.63

Finding the Fourth Proportional to 13,549.35, 20,332.13 and 4,791.63

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Solution

The fourth proportional to 13,549.35, 20,332.13 and 4,791.63 is: 7,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.35 : 20,332.13 = 4,791.63 : x
  2. Step 2: Convert to fraction form
    13,549.35/20,332.13 = 4,791.63/x
  3. Step 3: Cross multiply
    13,549.35x = 20,332.13 × 4,791.63
  4. Step 4: Simplify right side
    13,549.35x = 97,424,020.11
  5. Step 5: Solve for x
    x = 97,424,020.11/13,549.35
  6. Step 6: Final answer
    x = 7,190.31

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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.