Home / 19,991.61-29,913.39-16,030.76

Finding the Fourth Proportional to 19,991.61, 29,913.39 and 16,030.76

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Solution

The fourth proportional to 19,991.61, 29,913.39 and 16,030.76 is: 23,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.61 : 29,913.39 = 16,030.76 : x
  2. Step 2: Convert to fraction form
    19,991.61/29,913.39 = 16,030.76/x
  3. Step 3: Cross multiply
    19,991.61x = 29,913.39 × 16,030.76
  4. Step 4: Simplify right side
    19,991.61x = 479,534,226.31
  5. Step 5: Solve for x
    x = 479,534,226.31/19,991.61
  6. Step 6: Final answer
    x = 23,986.77

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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.