Home / 19,412.08-29,124.18-8,173.32

Finding the Fourth Proportional to 19,412.08, 29,124.18 and 8,173.32

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Solution

The fourth proportional to 19,412.08, 29,124.18 and 8,173.32 is: 12,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.08 : 29,124.18 = 8,173.32 : x
  2. Step 2: Convert to fraction form
    19,412.08/29,124.18 = 8,173.32/x
  3. Step 3: Cross multiply
    19,412.08x = 29,124.18 × 8,173.32
  4. Step 4: Simplify right side
    19,412.08x = 238,041,242.88
  5. Step 5: Solve for x
    x = 238,041,242.88/19,412.08
  6. Step 6: Final answer
    x = 12,262.53

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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.