Home / 21,362.84-29,432.46-14,896.31

Finding the Fourth Proportional to 21,362.84, 29,432.46 and 14,896.31

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Solution

The fourth proportional to 21,362.84, 29,432.46 and 14,896.31 is: 20,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.84 : 29,432.46 = 14,896.31 : x
  2. Step 2: Convert to fraction form
    21,362.84/29,432.46 = 14,896.31/x
  3. Step 3: Cross multiply
    21,362.84x = 29,432.46 × 14,896.31
  4. Step 4: Simplify right side
    21,362.84x = 438,434,956.92
  5. Step 5: Solve for x
    x = 438,434,956.92/21,362.84
  6. Step 6: Final answer
    x = 20,523.25

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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.