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Finding the Fourth Proportional to 14,698.70, 22,015.65 and 13,057.10

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Solution

The fourth proportional to 14,698.70, 22,015.65 and 13,057.10 is: 19,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.70 : 22,015.65 = 13,057.10 : x
  2. Step 2: Convert to fraction form
    14,698.70/22,015.65 = 13,057.10/x
  3. Step 3: Cross multiply
    14,698.70x = 22,015.65 × 13,057.10
  4. Step 4: Simplify right side
    14,698.70x = 287,460,543.62
  5. Step 5: Solve for x
    x = 287,460,543.62/14,698.70
  6. Step 6: Final answer
    x = 19,556.87

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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.