Home / 43,701.10-65,554.09-12,535.50

Finding the Fourth Proportional to 43,701.10, 65,554.09 and 12,535.50

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Solution

The fourth proportional to 43,701.10, 65,554.09 and 12,535.50 is: 18,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.10 : 65,554.09 = 12,535.50 : x
  2. Step 2: Convert to fraction form
    43,701.10/65,554.09 = 12,535.50/x
  3. Step 3: Cross multiply
    43,701.10x = 65,554.09 × 12,535.50
  4. Step 4: Simplify right side
    43,701.10x = 821,753,295.20
  5. Step 5: Solve for x
    x = 821,753,295.20/43,701.10
  6. Step 6: Final answer
    x = 18,803.95

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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.