Home / 19,465.60-29,174.04-8,359.44

Finding the Fourth Proportional to 19,465.60, 29,174.04 and 8,359.44

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Solution

The fourth proportional to 19,465.60, 29,174.04 and 8,359.44 is: 12,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.60 : 29,174.04 = 8,359.44 : x
  2. Step 2: Convert to fraction form
    19,465.60/29,174.04 = 8,359.44/x
  3. Step 3: Cross multiply
    19,465.60x = 29,174.04 × 8,359.44
  4. Step 4: Simplify right side
    19,465.60x = 243,878,636.94
  5. Step 5: Solve for x
    x = 243,878,636.94/19,465.60
  6. Step 6: Final answer
    x = 12,528.70

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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.