Home / 14,480.22-19,986.10-9,435.72

Finding the Fourth Proportional to 14,480.22, 19,986.10 and 9,435.72

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Solution

The fourth proportional to 14,480.22, 19,986.10 and 9,435.72 is: 13,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.22 : 19,986.10 = 9,435.72 : x
  2. Step 2: Convert to fraction form
    14,480.22/19,986.10 = 9,435.72/x
  3. Step 3: Cross multiply
    14,480.22x = 19,986.10 × 9,435.72
  4. Step 4: Simplify right side
    14,480.22x = 188,583,243.49
  5. Step 5: Solve for x
    x = 188,583,243.49/14,480.22
  6. Step 6: Final answer
    x = 13,023.51

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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.