Home / 25,324.85-34,946.47-13,994.21

Finding the Fourth Proportional to 25,324.85, 34,946.47 and 13,994.21

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Solution

The fourth proportional to 25,324.85, 34,946.47 and 13,994.21 is: 19,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324.85 : 34,946.47 = 13,994.21 : x
  2. Step 2: Convert to fraction form
    25,324.85/34,946.47 = 13,994.21/x
  3. Step 3: Cross multiply
    25,324.85x = 34,946.47 × 13,994.21
  4. Step 4: Simplify right side
    25,324.85x = 489,048,344.80
  5. Step 5: Solve for x
    x = 489,048,344.80/25,324.85
  6. Step 6: Final answer
    x = 19,311.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.