Home / 13,303.44-19,955.16-5,406.75

Finding the Fourth Proportional to 13,303.44, 19,955.16 and 5,406.75

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Solution

The fourth proportional to 13,303.44, 19,955.16 and 5,406.75 is: 8,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.44 : 19,955.16 = 5,406.75 : x
  2. Step 2: Convert to fraction form
    13,303.44/19,955.16 = 5,406.75/x
  3. Step 3: Cross multiply
    13,303.44x = 19,955.16 × 5,406.75
  4. Step 4: Simplify right side
    13,303.44x = 107,892,561.33
  5. Step 5: Solve for x
    x = 107,892,561.33/13,303.44
  6. Step 6: Final answer
    x = 8,110.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.