Home / 19,334.61-29,018.16-7,656.03

Finding the Fourth Proportional to 19,334.61, 29,018.16 and 7,656.03

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Solution

The fourth proportional to 19,334.61, 29,018.16 and 7,656.03 is: 11,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.61 : 29,018.16 = 7,656.03 : x
  2. Step 2: Convert to fraction form
    19,334.61/29,018.16 = 7,656.03/x
  3. Step 3: Cross multiply
    19,334.61x = 29,018.16 × 7,656.03
  4. Step 4: Simplify right side
    19,334.61x = 222,163,903.50
  5. Step 5: Solve for x
    x = 222,163,903.50/19,334.61
  6. Step 6: Final answer
    x = 11,490.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.