Home / 14,640.48-21,958.43-4,777.58

Finding the Fourth Proportional to 14,640.48, 21,958.43 and 4,777.58

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Solution

The fourth proportional to 14,640.48, 21,958.43 and 4,777.58 is: 7,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.48 : 21,958.43 = 4,777.58 : x
  2. Step 2: Convert to fraction form
    14,640.48/21,958.43 = 4,777.58/x
  3. Step 3: Cross multiply
    14,640.48x = 21,958.43 × 4,777.58
  4. Step 4: Simplify right side
    14,640.48x = 104,908,187.01
  5. Step 5: Solve for x
    x = 104,908,187.01/14,640.48
  6. Step 6: Final answer
    x = 7,165.62

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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.