Home / 19,626.10-29,439.15-9,784.60

Finding the Fourth Proportional to 19,626.10, 29,439.15 and 9,784.60

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Solution

The fourth proportional to 19,626.10, 29,439.15 and 9,784.60 is: 14,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.10 : 29,439.15 = 9,784.60 : x
  2. Step 2: Convert to fraction form
    19,626.10/29,439.15 = 9,784.60/x
  3. Step 3: Cross multiply
    19,626.10x = 29,439.15 × 9,784.60
  4. Step 4: Simplify right side
    19,626.10x = 288,050,307.09
  5. Step 5: Solve for x
    x = 288,050,307.09/19,626.10
  6. Step 6: Final answer
    x = 14,676.90

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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.