Home / 13,851.66-19,108.64-10,068.96

Finding the Fourth Proportional to 13,851.66, 19,108.64 and 10,068.96

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Solution

The fourth proportional to 13,851.66, 19,108.64 and 10,068.96 is: 13,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.66 : 19,108.64 = 10,068.96 : x
  2. Step 2: Convert to fraction form
    13,851.66/19,108.64 = 10,068.96/x
  3. Step 3: Cross multiply
    13,851.66x = 19,108.64 × 10,068.96
  4. Step 4: Simplify right side
    13,851.66x = 192,404,131.81
  5. Step 5: Solve for x
    x = 192,404,131.81/13,851.66
  6. Step 6: Final answer
    x = 13,890.33

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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.