Home / 13,973.36-19,277.28-11,839.80

Finding the Fourth Proportional to 13,973.36, 19,277.28 and 11,839.80

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Solution

The fourth proportional to 13,973.36, 19,277.28 and 11,839.80 is: 16,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.36 : 19,277.28 = 11,839.80 : x
  2. Step 2: Convert to fraction form
    13,973.36/19,277.28 = 11,839.80/x
  3. Step 3: Cross multiply
    13,973.36x = 19,277.28 × 11,839.80
  4. Step 4: Simplify right side
    13,973.36x = 228,239,139.74
  5. Step 5: Solve for x
    x = 228,239,139.74/13,973.36
  6. Step 6: Final answer
    x = 16,333.88

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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.