Home / 19,215.84-26,517.40-10,718.79

Finding the Fourth Proportional to 19,215.84, 26,517.40 and 10,718.79

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Solution

The fourth proportional to 19,215.84, 26,517.40 and 10,718.79 is: 14,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.84 : 26,517.40 = 10,718.79 : x
  2. Step 2: Convert to fraction form
    19,215.84/26,517.40 = 10,718.79/x
  3. Step 3: Cross multiply
    19,215.84x = 26,517.40 × 10,718.79
  4. Step 4: Simplify right side
    19,215.84x = 284,234,441.95
  5. Step 5: Solve for x
    x = 284,234,441.95/19,215.84
  6. Step 6: Final answer
    x = 14,791.67

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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.