Home / 18,999.96-26,194.38-13,327.08

Finding the Fourth Proportional to 18,999.96, 26,194.38 and 13,327.08

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Solution

The fourth proportional to 18,999.96, 26,194.38 and 13,327.08 is: 18,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.96 : 26,194.38 = 13,327.08 : x
  2. Step 2: Convert to fraction form
    18,999.96/26,194.38 = 13,327.08/x
  3. Step 3: Cross multiply
    18,999.96x = 26,194.38 × 13,327.08
  4. Step 4: Simplify right side
    18,999.96x = 349,094,597.81
  5. Step 5: Solve for x
    x = 349,094,597.81/18,999.96
  6. Step 6: Final answer
    x = 18,373.44

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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.