Home / 16,191.28-22,362.64-10,804.32

Finding the Fourth Proportional to 16,191.28, 22,362.64 and 10,804.32

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Solution

The fourth proportional to 16,191.28, 22,362.64 and 10,804.32 is: 14,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.28 : 22,362.64 = 10,804.32 : x
  2. Step 2: Convert to fraction form
    16,191.28/22,362.64 = 10,804.32/x
  3. Step 3: Cross multiply
    16,191.28x = 22,362.64 × 10,804.32
  4. Step 4: Simplify right side
    16,191.28x = 241,613,118.60
  5. Step 5: Solve for x
    x = 241,613,118.60/16,191.28
  6. Step 6: Final answer
    x = 14,922.42

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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.