Home / 14,383.68-21,529.35-7,710.90

Finding the Fourth Proportional to 14,383.68, 21,529.35 and 7,710.90

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Solution

The fourth proportional to 14,383.68, 21,529.35 and 7,710.90 is: 11,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.68 : 21,529.35 = 7,710.90 : x
  2. Step 2: Convert to fraction form
    14,383.68/21,529.35 = 7,710.90/x
  3. Step 3: Cross multiply
    14,383.68x = 21,529.35 × 7,710.90
  4. Step 4: Simplify right side
    14,383.68x = 166,010,664.92
  5. Step 5: Solve for x
    x = 166,010,664.92/14,383.68
  6. Step 6: Final answer
    x = 11,541.60

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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.