Home / 20,303.96-28,022.04-11,352.00

Finding the Fourth Proportional to 20,303.96, 28,022.04 and 11,352.00

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Solution

The fourth proportional to 20,303.96, 28,022.04 and 11,352.00 is: 15,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.96 : 28,022.04 = 11,352.00 : x
  2. Step 2: Convert to fraction form
    20,303.96/28,022.04 = 11,352.00/x
  3. Step 3: Cross multiply
    20,303.96x = 28,022.04 × 11,352.00
  4. Step 4: Simplify right side
    20,303.96x = 318,106,086.35
  5. Step 5: Solve for x
    x = 318,106,086.35/20,303.96
  6. Step 6: Final answer
    x = 15,667.19

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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.