Home / 19,986.20-29,946.22-17,925.84

Finding the Fourth Proportional to 19,986.20, 29,946.22 and 17,925.84

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Solution

The fourth proportional to 19,986.20, 29,946.22 and 17,925.84 is: 26,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.20 : 29,946.22 = 17,925.84 : x
  2. Step 2: Convert to fraction form
    19,986.20/29,946.22 = 17,925.84/x
  3. Step 3: Cross multiply
    19,986.20x = 29,946.22 × 17,925.84
  4. Step 4: Simplify right side
    19,986.20x = 536,811,148.32
  5. Step 5: Solve for x
    x = 536,811,148.32/19,986.20
  6. Step 6: Final answer
    x = 26,859.09

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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.