Home / 14,810.88-20,429.62-11,266.32

Finding the Fourth Proportional to 14,810.88, 20,429.62 and 11,266.32

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Solution

The fourth proportional to 14,810.88, 20,429.62 and 11,266.32 is: 15,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.88 : 20,429.62 = 11,266.32 : x
  2. Step 2: Convert to fraction form
    14,810.88/20,429.62 = 11,266.32/x
  3. Step 3: Cross multiply
    14,810.88x = 20,429.62 × 11,266.32
  4. Step 4: Simplify right side
    14,810.88x = 230,166,636.40
  5. Step 5: Solve for x
    x = 230,166,636.40/14,810.88
  6. Step 6: Final answer
    x = 15,540.38

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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.