Home / 14,791.12-20,415.18-9,756.24

Finding the Fourth Proportional to 14,791.12, 20,415.18 and 9,756.24

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Solution

The fourth proportional to 14,791.12, 20,415.18 and 9,756.24 is: 13,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.12 : 20,415.18 = 9,756.24 : x
  2. Step 2: Convert to fraction form
    14,791.12/20,415.18 = 9,756.24/x
  3. Step 3: Cross multiply
    14,791.12x = 20,415.18 × 9,756.24
  4. Step 4: Simplify right side
    14,791.12x = 199,175,395.72
  5. Step 5: Solve for x
    x = 199,175,395.72/14,791.12
  6. Step 6: Final answer
    x = 13,465.88

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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.