Home / 23,956.40-33,076.14-21,430.82

Finding the Fourth Proportional to 23,956.40, 33,076.14 and 21,430.82

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Solution

The fourth proportional to 23,956.40, 33,076.14 and 21,430.82 is: 29,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,956.40 : 33,076.14 = 21,430.82 : x
  2. Step 2: Convert to fraction form
    23,956.40/33,076.14 = 21,430.82/x
  3. Step 3: Cross multiply
    23,956.40x = 33,076.14 × 21,430.82
  4. Step 4: Simplify right side
    23,956.40x = 708,848,802.63
  5. Step 5: Solve for x
    x = 708,848,802.63/23,956.40
  6. Step 6: Final answer
    x = 29,589.12

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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.