Home / 43,969.20-65,953.22-10,689.16

Finding the Fourth Proportional to 43,969.20, 65,953.22 and 10,689.16

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Solution

The fourth proportional to 43,969.20, 65,953.22 and 10,689.16 is: 16,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969.20 : 65,953.22 = 10,689.16 : x
  2. Step 2: Convert to fraction form
    43,969.20/65,953.22 = 10,689.16/x
  3. Step 3: Cross multiply
    43,969.20x = 65,953.22 × 10,689.16
  4. Step 4: Simplify right side
    43,969.20x = 704,984,521.10
  5. Step 5: Solve for x
    x = 704,984,521.10/43,969.20
  6. Step 6: Final answer
    x = 16,033.60

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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.