Home / 19,969.22-27,557.08-11,017.58

Finding the Fourth Proportional to 19,969.22, 27,557.08 and 11,017.58

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Solution

The fourth proportional to 19,969.22, 27,557.08 and 11,017.58 is: 15,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.22 : 27,557.08 = 11,017.58 : x
  2. Step 2: Convert to fraction form
    19,969.22/27,557.08 = 11,017.58/x
  3. Step 3: Cross multiply
    19,969.22x = 27,557.08 × 11,017.58
  4. Step 4: Simplify right side
    19,969.22x = 303,612,168.14
  5. Step 5: Solve for x
    x = 303,612,168.14/19,969.22
  6. Step 6: Final answer
    x = 15,204.01

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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.