Home / 13,716.48-18,933.34-9,749.12

Finding the Fourth Proportional to 13,716.48, 18,933.34 and 9,749.12

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Solution

The fourth proportional to 13,716.48, 18,933.34 and 9,749.12 is: 13,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.48 : 18,933.34 = 9,749.12 : x
  2. Step 2: Convert to fraction form
    13,716.48/18,933.34 = 9,749.12/x
  3. Step 3: Cross multiply
    13,716.48x = 18,933.34 × 9,749.12
  4. Step 4: Simplify right side
    13,716.48x = 184,583,403.66
  5. Step 5: Solve for x
    x = 184,583,403.66/13,716.48
  6. Step 6: Final answer
    x = 13,457.05

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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.