Home / 19,468.37-29,199.36-5,429.35

Finding the Fourth Proportional to 19,468.37, 29,199.36 and 5,429.35

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Solution

The fourth proportional to 19,468.37, 29,199.36 and 5,429.35 is: 8,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.37 : 29,199.36 = 5,429.35 : x
  2. Step 2: Convert to fraction form
    19,468.37/29,199.36 = 5,429.35/x
  3. Step 3: Cross multiply
    19,468.37x = 29,199.36 × 5,429.35
  4. Step 4: Simplify right side
    19,468.37x = 158,533,602.08
  5. Step 5: Solve for x
    x = 158,533,602.08/19,468.37
  6. Step 6: Final answer
    x = 8,143.14

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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.