Home / 13,965.86-19,277.05-8,001.51

Finding the Fourth Proportional to 13,965.86, 19,277.05 and 8,001.51

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Solution

The fourth proportional to 13,965.86, 19,277.05 and 8,001.51 is: 11,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.86 : 19,277.05 = 8,001.51 : x
  2. Step 2: Convert to fraction form
    13,965.86/19,277.05 = 8,001.51/x
  3. Step 3: Cross multiply
    13,965.86x = 19,277.05 × 8,001.51
  4. Step 4: Simplify right side
    13,965.86x = 154,245,371.95
  5. Step 5: Solve for x
    x = 154,245,371.95/13,965.86
  6. Step 6: Final answer
    x = 11,044.46

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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.