Home / 43,589.28-65,395.20-14,011.28

Finding the Fourth Proportional to 43,589.28, 65,395.20 and 14,011.28

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Solution

The fourth proportional to 43,589.28, 65,395.20 and 14,011.28 is: 21,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589.28 : 65,395.20 = 14,011.28 : x
  2. Step 2: Convert to fraction form
    43,589.28/65,395.20 = 14,011.28/x
  3. Step 3: Cross multiply
    43,589.28x = 65,395.20 × 14,011.28
  4. Step 4: Simplify right side
    43,589.28x = 916,270,457.86
  5. Step 5: Solve for x
    x = 916,270,457.86/43,589.28
  6. Step 6: Final answer
    x = 21,020.55

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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.