Home / 14,230.06-19,637.16-8,261.58

Finding the Fourth Proportional to 14,230.06, 19,637.16 and 8,261.58

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Solution

The fourth proportional to 14,230.06, 19,637.16 and 8,261.58 is: 11,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.06 : 19,637.16 = 8,261.58 : x
  2. Step 2: Convert to fraction form
    14,230.06/19,637.16 = 8,261.58/x
  3. Step 3: Cross multiply
    14,230.06x = 19,637.16 × 8,261.58
  4. Step 4: Simplify right side
    14,230.06x = 162,233,968.31
  5. Step 5: Solve for x
    x = 162,233,968.31/14,230.06
  6. Step 6: Final answer
    x = 11,400.79

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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.