Home / 19,638.81-29,458.22-16,168.77

Finding the Fourth Proportional to 19,638.81, 29,458.22 and 16,168.77

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Solution

The fourth proportional to 19,638.81, 29,458.22 and 16,168.77 is: 24,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.81 : 29,458.22 = 16,168.77 : x
  2. Step 2: Convert to fraction form
    19,638.81/29,458.22 = 16,168.77/x
  3. Step 3: Cross multiply
    19,638.81x = 29,458.22 × 16,168.77
  4. Step 4: Simplify right side
    19,638.81x = 476,303,102.95
  5. Step 5: Solve for x
    x = 476,303,102.95/19,638.81
  6. Step 6: Final answer
    x = 24,253.16

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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.