Home / 13,352.93-18,410.30-8,564.43

Finding the Fourth Proportional to 13,352.93, 18,410.30 and 8,564.43

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Solution

The fourth proportional to 13,352.93, 18,410.30 and 8,564.43 is: 11,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.93 : 18,410.30 = 8,564.43 : x
  2. Step 2: Convert to fraction form
    13,352.93/18,410.30 = 8,564.43/x
  3. Step 3: Cross multiply
    13,352.93x = 18,410.30 × 8,564.43
  4. Step 4: Simplify right side
    13,352.93x = 157,673,682.81
  5. Step 5: Solve for x
    x = 157,673,682.81/13,352.93
  6. Step 6: Final answer
    x = 11,808.18

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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.