Home / 14,699.32-20,271.24-11,336.80

Finding the Fourth Proportional to 14,699.32, 20,271.24 and 11,336.80

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Solution

The fourth proportional to 14,699.32, 20,271.24 and 11,336.80 is: 15,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.32 : 20,271.24 = 11,336.80 : x
  2. Step 2: Convert to fraction form
    14,699.32/20,271.24 = 11,336.80/x
  3. Step 3: Cross multiply
    14,699.32x = 20,271.24 × 11,336.80
  4. Step 4: Simplify right side
    14,699.32x = 229,810,993.63
  5. Step 5: Solve for x
    x = 229,810,993.63/14,699.32
  6. Step 6: Final answer
    x = 15,634.12

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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.