Home / 19,662.40-29,424.34-16,109.74

Finding the Fourth Proportional to 19,662.40, 29,424.34 and 16,109.74

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Solution

The fourth proportional to 19,662.40, 29,424.34 and 16,109.74 is: 24,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.40 : 29,424.34 = 16,109.74 : x
  2. Step 2: Convert to fraction form
    19,662.40/29,424.34 = 16,109.74/x
  3. Step 3: Cross multiply
    19,662.40x = 29,424.34 × 16,109.74
  4. Step 4: Simplify right side
    19,662.40x = 474,018,467.07
  5. Step 5: Solve for x
    x = 474,018,467.07/19,662.40
  6. Step 6: Final answer
    x = 24,107.86

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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.