Home / 66,011.37-99,015.42-19,264.65

Finding the Fourth Proportional to 66,011.37, 99,015.42 and 19,264.65

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Solution

The fourth proportional to 66,011.37, 99,015.42 and 19,264.65 is: 28,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.37 : 99,015.42 = 19,264.65 : x
  2. Step 2: Convert to fraction form
    66,011.37/99,015.42 = 19,264.65/x
  3. Step 3: Cross multiply
    66,011.37x = 99,015.42 × 19,264.65
  4. Step 4: Simplify right side
    66,011.37x = 1,907,497,410.90
  5. Step 5: Solve for x
    x = 1,907,497,410.90/66,011.37
  6. Step 6: Final answer
    x = 28,896.50

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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.