Home / 13,295.50-19,786.28-12,852.56

Finding the Fourth Proportional to 13,295.50, 19,786.28 and 12,852.56

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Solution

The fourth proportional to 13,295.50, 19,786.28 and 12,852.56 is: 19,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.50 : 19,786.28 = 12,852.56 : x
  2. Step 2: Convert to fraction form
    13,295.50/19,786.28 = 12,852.56/x
  3. Step 3: Cross multiply
    13,295.50x = 19,786.28 × 12,852.56
  4. Step 4: Simplify right side
    13,295.50x = 254,304,350.88
  5. Step 5: Solve for x
    x = 254,304,350.88/13,295.50
  6. Step 6: Final answer
    x = 19,127.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.