Home / 19,650.04-29,435.58-9,759.40

Finding the Fourth Proportional to 19,650.04, 29,435.58 and 9,759.40

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Solution

The fourth proportional to 19,650.04, 29,435.58 and 9,759.40 is: 14,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.04 : 29,435.58 = 9,759.40 : x
  2. Step 2: Convert to fraction form
    19,650.04/29,435.58 = 9,759.40/x
  3. Step 3: Cross multiply
    19,650.04x = 29,435.58 × 9,759.40
  4. Step 4: Simplify right side
    19,650.04x = 287,273,599.45
  5. Step 5: Solve for x
    x = 287,273,599.45/19,650.04
  6. Step 6: Final answer
    x = 14,619.49

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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.