Home / 19,433.61-29,125.80-12,410.91

Finding the Fourth Proportional to 19,433.61, 29,125.80 and 12,410.91

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Solution

The fourth proportional to 19,433.61, 29,125.80 and 12,410.91 is: 18,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.61 : 29,125.80 = 12,410.91 : x
  2. Step 2: Convert to fraction form
    19,433.61/29,125.80 = 12,410.91/x
  3. Step 3: Cross multiply
    19,433.61x = 29,125.80 × 12,410.91
  4. Step 4: Simplify right side
    19,433.61x = 361,477,682.48
  5. Step 5: Solve for x
    x = 361,477,682.48/19,433.61
  6. Step 6: Final answer
    x = 18,600.65

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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.