Home / 19,907.05-27,472.53-10,955.24

Finding the Fourth Proportional to 19,907.05, 27,472.53 and 10,955.24

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Solution

The fourth proportional to 19,907.05, 27,472.53 and 10,955.24 is: 15,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.05 : 27,472.53 = 10,955.24 : x
  2. Step 2: Convert to fraction form
    19,907.05/27,472.53 = 10,955.24/x
  3. Step 3: Cross multiply
    19,907.05x = 27,472.53 × 10,955.24
  4. Step 4: Simplify right side
    19,907.05x = 300,968,159.56
  5. Step 5: Solve for x
    x = 300,968,159.56/19,907.05
  6. Step 6: Final answer
    x = 15,118.67

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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.