Home / 13,203.99-19,792.64-8,277.08

Finding the Fourth Proportional to 13,203.99, 19,792.64 and 8,277.08

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Solution

The fourth proportional to 13,203.99, 19,792.64 and 8,277.08 is: 12,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.99 : 19,792.64 = 8,277.08 : x
  2. Step 2: Convert to fraction form
    13,203.99/19,792.64 = 8,277.08/x
  3. Step 3: Cross multiply
    13,203.99x = 19,792.64 × 8,277.08
  4. Step 4: Simplify right side
    13,203.99x = 163,825,235.90
  5. Step 5: Solve for x
    x = 163,825,235.90/13,203.99
  6. Step 6: Final answer
    x = 12,407.26

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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.