Home / 19,599.69-27,061.26-15,054.78

Finding the Fourth Proportional to 19,599.69, 27,061.26 and 15,054.78

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Solution

The fourth proportional to 19,599.69, 27,061.26 and 15,054.78 is: 20,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.69 : 27,061.26 = 15,054.78 : x
  2. Step 2: Convert to fraction form
    19,599.69/27,061.26 = 15,054.78/x
  3. Step 3: Cross multiply
    19,599.69x = 27,061.26 × 15,054.78
  4. Step 4: Simplify right side
    19,599.69x = 407,401,315.82
  5. Step 5: Solve for x
    x = 407,401,315.82/19,599.69
  6. Step 6: Final answer
    x = 20,786.11

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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.