Home / 14,637.50-21,956.58-5,278.28

Finding the Fourth Proportional to 14,637.50, 21,956.58 and 5,278.28

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Solution

The fourth proportional to 14,637.50, 21,956.58 and 5,278.28 is: 7,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.50 : 21,956.58 = 5,278.28 : x
  2. Step 2: Convert to fraction form
    14,637.50/21,956.58 = 5,278.28/x
  3. Step 3: Cross multiply
    14,637.50x = 21,956.58 × 5,278.28
  4. Step 4: Simplify right side
    14,637.50x = 115,892,977.08
  5. Step 5: Solve for x
    x = 115,892,977.08/14,637.50
  6. Step 6: Final answer
    x = 7,917.54

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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.