Home / 14,637.97-21,956.89-4,777.21

Finding the Fourth Proportional to 14,637.97, 21,956.89 and 4,777.21

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Solution

The fourth proportional to 14,637.97, 21,956.89 and 4,777.21 is: 7,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.97 : 21,956.89 = 4,777.21 : x
  2. Step 2: Convert to fraction form
    14,637.97/21,956.89 = 4,777.21/x
  3. Step 3: Cross multiply
    14,637.97x = 21,956.89 × 4,777.21
  4. Step 4: Simplify right side
    14,637.97x = 104,892,674.48
  5. Step 5: Solve for x
    x = 104,892,674.48/14,637.97
  6. Step 6: Final answer
    x = 7,165.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.