Home / 25,325.78-34,948.98-13,994.66

Finding the Fourth Proportional to 25,325.78, 34,948.98 and 13,994.66

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Solution

The fourth proportional to 25,325.78, 34,948.98 and 13,994.66 is: 19,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.78 : 34,948.98 = 13,994.66 : x
  2. Step 2: Convert to fraction form
    25,325.78/34,948.98 = 13,994.66/x
  3. Step 3: Cross multiply
    25,325.78x = 34,948.98 × 13,994.66
  4. Step 4: Simplify right side
    25,325.78x = 489,099,092.45
  5. Step 5: Solve for x
    x = 489,099,092.45/25,325.78
  6. Step 6: Final answer
    x = 19,312.30

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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.