Home / 19,615.23-27,068.36-11,230.11

Finding the Fourth Proportional to 19,615.23, 27,068.36 and 11,230.11

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Solution

The fourth proportional to 19,615.23, 27,068.36 and 11,230.11 is: 15,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.23 : 27,068.36 = 11,230.11 : x
  2. Step 2: Convert to fraction form
    19,615.23/27,068.36 = 11,230.11/x
  3. Step 3: Cross multiply
    19,615.23x = 27,068.36 × 11,230.11
  4. Step 4: Simplify right side
    19,615.23x = 303,980,604.17
  5. Step 5: Solve for x
    x = 303,980,604.17/19,615.23
  6. Step 6: Final answer
    x = 15,497.17

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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.