Home / 19,356.89-26,713.44-11,401.67

Finding the Fourth Proportional to 19,356.89, 26,713.44 and 11,401.67

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Solution

The fourth proportional to 19,356.89, 26,713.44 and 11,401.67 is: 15,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.89 : 26,713.44 = 11,401.67 : x
  2. Step 2: Convert to fraction form
    19,356.89/26,713.44 = 11,401.67/x
  3. Step 3: Cross multiply
    19,356.89x = 26,713.44 × 11,401.67
  4. Step 4: Simplify right side
    19,356.89x = 304,577,693.88
  5. Step 5: Solve for x
    x = 304,577,693.88/19,356.89
  6. Step 6: Final answer
    x = 15,734.85

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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.