Home / 20,066.34-27,696.15-13,352.25

Finding the Fourth Proportional to 20,066.34, 27,696.15 and 13,352.25

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Solution

The fourth proportional to 20,066.34, 27,696.15 and 13,352.25 is: 18,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.34 : 27,696.15 = 13,352.25 : x
  2. Step 2: Convert to fraction form
    20,066.34/27,696.15 = 13,352.25/x
  3. Step 3: Cross multiply
    20,066.34x = 27,696.15 × 13,352.25
  4. Step 4: Simplify right side
    20,066.34x = 369,805,918.84
  5. Step 5: Solve for x
    x = 369,805,918.84/20,066.34
  6. Step 6: Final answer
    x = 18,429.17

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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.