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Finding the Fourth Proportional to 14,329.80, 19,774.80 and 8,041.50

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Solution

The fourth proportional to 14,329.80, 19,774.80 and 8,041.50 is: 11,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.80 : 19,774.80 = 8,041.50 : x
  2. Step 2: Convert to fraction form
    14,329.80/19,774.80 = 8,041.50/x
  3. Step 3: Cross multiply
    14,329.80x = 19,774.80 × 8,041.50
  4. Step 4: Simplify right side
    14,329.80x = 159,019,054.20
  5. Step 5: Solve for x
    x = 159,019,054.20/14,329.80
  6. Step 6: Final answer
    x = 11,097.09

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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.