Home / 19,623.90-27,084.88-11,126.19

Finding the Fourth Proportional to 19,623.90, 27,084.88 and 11,126.19

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Solution

The fourth proportional to 19,623.90, 27,084.88 and 11,126.19 is: 15,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.90 : 27,084.88 = 11,126.19 : x
  2. Step 2: Convert to fraction form
    19,623.90/27,084.88 = 11,126.19/x
  3. Step 3: Cross multiply
    19,623.90x = 27,084.88 × 11,126.19
  4. Step 4: Simplify right side
    19,623.90x = 301,351,636.48
  5. Step 5: Solve for x
    x = 301,351,636.48/19,623.90
  6. Step 6: Final answer
    x = 15,356.36

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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.