Home / 14,391.44-19,852.80-9,680.48

Finding the Fourth Proportional to 14,391.44, 19,852.80 and 9,680.48

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Solution

The fourth proportional to 14,391.44, 19,852.80 and 9,680.48 is: 13,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.44 : 19,852.80 = 9,680.48 : x
  2. Step 2: Convert to fraction form
    14,391.44/19,852.80 = 9,680.48/x
  3. Step 3: Cross multiply
    14,391.44x = 19,852.80 × 9,680.48
  4. Step 4: Simplify right side
    14,391.44x = 192,184,633.34
  5. Step 5: Solve for x
    x = 192,184,633.34/14,391.44
  6. Step 6: Final answer
    x = 13,354.09

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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.