Home / 19,647.77-27,113.64-10,695.34

Finding the Fourth Proportional to 19,647.77, 27,113.64 and 10,695.34

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Solution

The fourth proportional to 19,647.77, 27,113.64 and 10,695.34 is: 14,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.77 : 27,113.64 = 10,695.34 : x
  2. Step 2: Convert to fraction form
    19,647.77/27,113.64 = 10,695.34/x
  3. Step 3: Cross multiply
    19,647.77x = 27,113.64 × 10,695.34
  4. Step 4: Simplify right side
    19,647.77x = 289,989,592.22
  5. Step 5: Solve for x
    x = 289,989,592.22/19,647.77
  6. Step 6: Final answer
    x = 14,759.42

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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.