Home / 13,567.36-18,679.44-10,579.36

Finding the Fourth Proportional to 13,567.36, 18,679.44 and 10,579.36

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Solution

The fourth proportional to 13,567.36, 18,679.44 and 10,579.36 is: 14,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.36 : 18,679.44 = 10,579.36 : x
  2. Step 2: Convert to fraction form
    13,567.36/18,679.44 = 10,579.36/x
  3. Step 3: Cross multiply
    13,567.36x = 18,679.44 × 10,579.36
  4. Step 4: Simplify right side
    13,567.36x = 197,616,520.36
  5. Step 5: Solve for x
    x = 197,616,520.36/13,567.36
  6. Step 6: Final answer
    x = 14,565.58

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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.