Home / 14,424.84-19,917.54-11,289.96

Finding the Fourth Proportional to 14,424.84, 19,917.54 and 11,289.96

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Solution

The fourth proportional to 14,424.84, 19,917.54 and 11,289.96 is: 15,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.84 : 19,917.54 = 11,289.96 : x
  2. Step 2: Convert to fraction form
    14,424.84/19,917.54 = 11,289.96/x
  3. Step 3: Cross multiply
    14,424.84x = 19,917.54 × 11,289.96
  4. Step 4: Simplify right side
    14,424.84x = 224,868,229.90
  5. Step 5: Solve for x
    x = 224,868,229.90/14,424.84
  6. Step 6: Final answer
    x = 15,588.96

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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.