Home / 16,191.99-22,346.54-9,477.21

Finding the Fourth Proportional to 16,191.99, 22,346.54 and 9,477.21

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Solution

The fourth proportional to 16,191.99, 22,346.54 and 9,477.21 is: 13,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.99 : 22,346.54 = 9,477.21 : x
  2. Step 2: Convert to fraction form
    16,191.99/22,346.54 = 9,477.21/x
  3. Step 3: Cross multiply
    16,191.99x = 22,346.54 × 9,477.21
  4. Step 4: Simplify right side
    16,191.99x = 211,782,924.31
  5. Step 5: Solve for x
    x = 211,782,924.31/16,191.99
  6. Step 6: Final answer
    x = 13,079.49

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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.