Home / 19,621.44-29,409.48-8,526.06

Finding the Fourth Proportional to 19,621.44, 29,409.48 and 8,526.06

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Solution

The fourth proportional to 19,621.44, 29,409.48 and 8,526.06 is: 12,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.44 : 29,409.48 = 8,526.06 : x
  2. Step 2: Convert to fraction form
    19,621.44/29,409.48 = 8,526.06/x
  3. Step 3: Cross multiply
    19,621.44x = 29,409.48 × 8,526.06
  4. Step 4: Simplify right side
    19,621.44x = 250,746,991.05
  5. Step 5: Solve for x
    x = 250,746,991.05/19,621.44
  6. Step 6: Final answer
    x = 12,779.23

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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.