Home / 21,606.51-29,822.54-14,071.62

Finding the Fourth Proportional to 21,606.51, 29,822.54 and 14,071.62

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Solution

The fourth proportional to 21,606.51, 29,822.54 and 14,071.62 is: 19,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.51 : 29,822.54 = 14,071.62 : x
  2. Step 2: Convert to fraction form
    21,606.51/29,822.54 = 14,071.62/x
  3. Step 3: Cross multiply
    21,606.51x = 29,822.54 × 14,071.62
  4. Step 4: Simplify right side
    21,606.51x = 419,651,450.31
  5. Step 5: Solve for x
    x = 419,651,450.31/21,606.51
  6. Step 6: Final answer
    x = 19,422.45

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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.