Home / 19,969.05-27,566.15-12,898.92

Finding the Fourth Proportional to 19,969.05, 27,566.15 and 12,898.92

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Solution

The fourth proportional to 19,969.05, 27,566.15 and 12,898.92 is: 17,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.05 : 27,566.15 = 12,898.92 : x
  2. Step 2: Convert to fraction form
    19,969.05/27,566.15 = 12,898.92/x
  3. Step 3: Cross multiply
    19,969.05x = 27,566.15 × 12,898.92
  4. Step 4: Simplify right side
    19,969.05x = 355,573,563.56
  5. Step 5: Solve for x
    x = 355,573,563.56/19,969.05
  6. Step 6: Final answer
    x = 17,806.23

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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.