Home / 19,334.34-26,680.77-11,376.99

Finding the Fourth Proportional to 19,334.34, 26,680.77 and 11,376.99

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Solution

The fourth proportional to 19,334.34, 26,680.77 and 11,376.99 is: 15,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.34 : 26,680.77 = 11,376.99 : x
  2. Step 2: Convert to fraction form
    19,334.34/26,680.77 = 11,376.99/x
  3. Step 3: Cross multiply
    19,334.34x = 26,680.77 × 11,376.99
  4. Step 4: Simplify right side
    19,334.34x = 303,546,853.48
  5. Step 5: Solve for x
    x = 303,546,853.48/19,334.34
  6. Step 6: Final answer
    x = 15,699.88

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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.