Home / 14,215.43-19,617.44-7,842.31

Finding the Fourth Proportional to 14,215.43, 19,617.44 and 7,842.31

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Solution

The fourth proportional to 14,215.43, 19,617.44 and 7,842.31 is: 10,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.43 : 19,617.44 = 7,842.31 : x
  2. Step 2: Convert to fraction form
    14,215.43/19,617.44 = 7,842.31/x
  3. Step 3: Cross multiply
    14,215.43x = 19,617.44 × 7,842.31
  4. Step 4: Simplify right side
    14,215.43x = 153,845,957.63
  5. Step 5: Solve for x
    x = 153,845,957.63/14,215.43
  6. Step 6: Final answer
    x = 10,822.46

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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.