Home / 13,941.30-19,228.92-8,835.06

Finding the Fourth Proportional to 13,941.30, 19,228.92 and 8,835.06

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Solution

The fourth proportional to 13,941.30, 19,228.92 and 8,835.06 is: 12,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.30 : 19,228.92 = 8,835.06 : x
  2. Step 2: Convert to fraction form
    13,941.30/19,228.92 = 8,835.06/x
  3. Step 3: Cross multiply
    13,941.30x = 19,228.92 × 8,835.06
  4. Step 4: Simplify right side
    13,941.30x = 169,888,661.94
  5. Step 5: Solve for x
    x = 169,888,661.94/13,941.30
  6. Step 6: Final answer
    x = 12,186.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.