Home / 19,928.36-29,890.46-8,835.24

Finding the Fourth Proportional to 19,928.36, 29,890.46 and 8,835.24

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Solution

The fourth proportional to 19,928.36, 29,890.46 and 8,835.24 is: 13,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.36 : 29,890.46 = 8,835.24 : x
  2. Step 2: Convert to fraction form
    19,928.36/29,890.46 = 8,835.24/x
  3. Step 3: Cross multiply
    19,928.36x = 29,890.46 × 8,835.24
  4. Step 4: Simplify right side
    19,928.36x = 264,089,387.81
  5. Step 5: Solve for x
    x = 264,089,387.81/19,928.36
  6. Step 6: Final answer
    x = 13,251.94

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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.