Home / 19,453.90-29,178.12-11,106.84

Finding the Fourth Proportional to 19,453.90, 29,178.12 and 11,106.84

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Solution

The fourth proportional to 19,453.90, 29,178.12 and 11,106.84 is: 16,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.90 : 29,178.12 = 11,106.84 : x
  2. Step 2: Convert to fraction form
    19,453.90/29,178.12 = 11,106.84/x
  3. Step 3: Cross multiply
    19,453.90x = 29,178.12 × 11,106.84
  4. Step 4: Simplify right side
    19,453.90x = 324,076,710.34
  5. Step 5: Solve for x
    x = 324,076,710.34/19,453.90
  6. Step 6: Final answer
    x = 16,658.70

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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.