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Finding the Fourth Proportional to 14,784.90, 22,123.35 and 10,896.90

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Solution

The fourth proportional to 14,784.90, 22,123.35 and 10,896.90 is: 16,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.90 : 22,123.35 = 10,896.90 : x
  2. Step 2: Convert to fraction form
    14,784.90/22,123.35 = 10,896.90/x
  3. Step 3: Cross multiply
    14,784.90x = 22,123.35 × 10,896.90
  4. Step 4: Simplify right side
    14,784.90x = 241,075,932.62
  5. Step 5: Solve for x
    x = 241,075,932.62/14,784.90
  6. Step 6: Final answer
    x = 16,305.55

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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.