Home / 19,647.07-27,113.56-10,695.17

Finding the Fourth Proportional to 19,647.07, 27,113.56 and 10,695.17

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Solution

The fourth proportional to 19,647.07, 27,113.56 and 10,695.17 is: 14,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.07 : 27,113.56 = 10,695.17 : x
  2. Step 2: Convert to fraction form
    19,647.07/27,113.56 = 10,695.17/x
  3. Step 3: Cross multiply
    19,647.07x = 27,113.56 × 10,695.17
  4. Step 4: Simplify right side
    19,647.07x = 289,984,024.68
  5. Step 5: Solve for x
    x = 289,984,024.68/19,647.07
  6. Step 6: Final answer
    x = 14,759.66

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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.