Home / 13,954.14-19,256.64-7,580.69

Finding the Fourth Proportional to 13,954.14, 19,256.64 and 7,580.69

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Solution

The fourth proportional to 13,954.14, 19,256.64 and 7,580.69 is: 10,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.14 : 19,256.64 = 7,580.69 : x
  2. Step 2: Convert to fraction form
    13,954.14/19,256.64 = 7,580.69/x
  3. Step 3: Cross multiply
    13,954.14x = 19,256.64 × 7,580.69
  4. Step 4: Simplify right side
    13,954.14x = 145,978,531.47
  5. Step 5: Solve for x
    x = 145,978,531.47/13,954.14
  6. Step 6: Final answer
    x = 10,461.30

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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.