Home / 19,674.51-27,150.03-10,721.82

Finding the Fourth Proportional to 19,674.51, 27,150.03 and 10,721.82

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Solution

The fourth proportional to 19,674.51, 27,150.03 and 10,721.82 is: 14,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.51 : 27,150.03 = 10,721.82 : x
  2. Step 2: Convert to fraction form
    19,674.51/27,150.03 = 10,721.82/x
  3. Step 3: Cross multiply
    19,674.51x = 27,150.03 × 10,721.82
  4. Step 4: Simplify right side
    19,674.51x = 291,097,577.23
  5. Step 5: Solve for x
    x = 291,097,577.23/19,674.51
  6. Step 6: Final answer
    x = 14,795.67

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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.