Home / 13,434.20-18,538.63-7,466.24

Finding the Fourth Proportional to 13,434.20, 18,538.63 and 7,466.24

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Solution

The fourth proportional to 13,434.20, 18,538.63 and 7,466.24 is: 10,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.20 : 18,538.63 = 7,466.24 : x
  2. Step 2: Convert to fraction form
    13,434.20/18,538.63 = 7,466.24/x
  3. Step 3: Cross multiply
    13,434.20x = 18,538.63 × 7,466.24
  4. Step 4: Simplify right side
    13,434.20x = 138,413,860.85
  5. Step 5: Solve for x
    x = 138,413,860.85/13,434.20
  6. Step 6: Final answer
    x = 10,303.09

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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.