Home / 19,405.04-29,107.36-8,302.32

Finding the Fourth Proportional to 19,405.04, 29,107.36 and 8,302.32

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Solution

The fourth proportional to 19,405.04, 29,107.36 and 8,302.32 is: 12,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.04 : 29,107.36 = 8,302.32 : x
  2. Step 2: Convert to fraction form
    19,405.04/29,107.36 = 8,302.32/x
  3. Step 3: Cross multiply
    19,405.04x = 29,107.36 × 8,302.32
  4. Step 4: Simplify right side
    19,405.04x = 241,658,617.08
  5. Step 5: Solve for x
    x = 241,658,617.08/19,405.04
  6. Step 6: Final answer
    x = 12,453.39

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1.5x scale

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.