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Finding the Fourth Proportional to 14,037.50, 19,385.12 and 11,048.00

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Solution

The fourth proportional to 14,037.50, 19,385.12 and 11,048.00 is: 15,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.50 : 19,385.12 = 11,048.00 : x
  2. Step 2: Convert to fraction form
    14,037.50/19,385.12 = 11,048.00/x
  3. Step 3: Cross multiply
    14,037.50x = 19,385.12 × 11,048.00
  4. Step 4: Simplify right side
    14,037.50x = 214,166,653.59
  5. Step 5: Solve for x
    x = 214,166,653.59/14,037.50
  6. Step 6: Final answer
    x = 15,256.75

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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.