Home / 19,969.45-27,557.93-11,016.95

Finding the Fourth Proportional to 19,969.45, 27,557.93 and 11,016.95

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Solution

The fourth proportional to 19,969.45, 27,557.93 and 11,016.95 is: 15,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.45 : 27,557.93 = 11,016.95 : x
  2. Step 2: Convert to fraction form
    19,969.45/27,557.93 = 11,016.95/x
  3. Step 3: Cross multiply
    19,969.45x = 27,557.93 × 11,016.95
  4. Step 4: Simplify right side
    19,969.45x = 303,604,364.46
  5. Step 5: Solve for x
    x = 303,604,364.46/19,969.45
  6. Step 6: Final answer
    x = 15,203.44

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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.