Home / 14,230.91-19,628.80-9,755.06

Finding the Fourth Proportional to 14,230.91, 19,628.80 and 9,755.06

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Solution

The fourth proportional to 14,230.91, 19,628.80 and 9,755.06 is: 13,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.91 : 19,628.80 = 9,755.06 : x
  2. Step 2: Convert to fraction form
    14,230.91/19,628.80 = 9,755.06/x
  3. Step 3: Cross multiply
    14,230.91x = 19,628.80 × 9,755.06
  4. Step 4: Simplify right side
    14,230.91x = 191,479,999.20
  5. Step 5: Solve for x
    x = 191,479,999.20/14,230.91
  6. Step 6: Final answer
    x = 13,455.22

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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.