Home / 13,341.24-18,419.50-8,563.25

Finding the Fourth Proportional to 13,341.24, 18,419.50 and 8,563.25

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Solution

The fourth proportional to 13,341.24, 18,419.50 and 8,563.25 is: 11,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.24 : 18,419.50 = 8,563.25 : x
  2. Step 2: Convert to fraction form
    13,341.24/18,419.50 = 8,563.25/x
  3. Step 3: Cross multiply
    13,341.24x = 18,419.50 × 8,563.25
  4. Step 4: Simplify right side
    13,341.24x = 157,730,840.13
  5. Step 5: Solve for x
    x = 157,730,840.13/13,341.24
  6. Step 6: Final answer
    x = 11,822.80

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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.