Home / 43,611.70-65,411.40-14,025.78

Finding the Fourth Proportional to 43,611.70, 65,411.40 and 14,025.78

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Solution

The fourth proportional to 43,611.70, 65,411.40 and 14,025.78 is: 21,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.70 : 65,411.40 = 14,025.78 : x
  2. Step 2: Convert to fraction form
    43,611.70/65,411.40 = 14,025.78/x
  3. Step 3: Cross multiply
    43,611.70x = 65,411.40 × 14,025.78
  4. Step 4: Simplify right side
    43,611.70x = 917,445,905.89
  5. Step 5: Solve for x
    x = 917,445,905.89/43,611.70
  6. Step 6: Final answer
    x = 21,036.69

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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.