Home / 14,090.39-19,445.09-7,717.33

Finding the Fourth Proportional to 14,090.39, 19,445.09 and 7,717.33

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Solution

The fourth proportional to 14,090.39, 19,445.09 and 7,717.33 is: 10,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.39 : 19,445.09 = 7,717.33 : x
  2. Step 2: Convert to fraction form
    14,090.39/19,445.09 = 7,717.33/x
  3. Step 3: Cross multiply
    14,090.39x = 19,445.09 × 7,717.33
  4. Step 4: Simplify right side
    14,090.39x = 150,064,176.41
  5. Step 5: Solve for x
    x = 150,064,176.41/14,090.39
  6. Step 6: Final answer
    x = 10,650.11

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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.