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Finding the Fourth Proportional to 14,037.84, 19,363.68 and 8,368.86

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Solution

The fourth proportional to 14,037.84, 19,363.68 and 8,368.86 is: 11,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.84 : 19,363.68 = 8,368.86 : x
  2. Step 2: Convert to fraction form
    14,037.84/19,363.68 = 8,368.86/x
  3. Step 3: Cross multiply
    14,037.84x = 19,363.68 × 8,368.86
  4. Step 4: Simplify right side
    14,037.84x = 162,051,927.00
  5. Step 5: Solve for x
    x = 162,051,927.00/14,037.84
  6. Step 6: Final answer
    x = 11,543.94

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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.