Home / 14,094.62-19,450.51-7,721.20

Finding the Fourth Proportional to 14,094.62, 19,450.51 and 7,721.20

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Solution

The fourth proportional to 14,094.62, 19,450.51 and 7,721.20 is: 10,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.62 : 19,450.51 = 7,721.20 : x
  2. Step 2: Convert to fraction form
    14,094.62/19,450.51 = 7,721.20/x
  3. Step 3: Cross multiply
    14,094.62x = 19,450.51 × 7,721.20
  4. Step 4: Simplify right side
    14,094.62x = 150,181,284.29
  5. Step 5: Solve for x
    x = 150,181,284.29/14,094.62
  6. Step 6: Final answer
    x = 10,655.22

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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.