Home / 16,911.95-25,369.42-4,431.93

Finding the Fourth Proportional to 16,911.95, 25,369.42 and 4,431.93

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Solution

The fourth proportional to 16,911.95, 25,369.42 and 4,431.93 is: 6,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.95 : 25,369.42 = 4,431.93 : x
  2. Step 2: Convert to fraction form
    16,911.95/25,369.42 = 4,431.93/x
  3. Step 3: Cross multiply
    16,911.95x = 25,369.42 × 4,431.93
  4. Step 4: Simplify right side
    16,911.95x = 112,435,417.07
  5. Step 5: Solve for x
    x = 112,435,417.07/16,911.95
  6. Step 6: Final answer
    x = 6,648.28

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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.