Home / 43,615.16-65,426.72-14,025.68

Finding the Fourth Proportional to 43,615.16, 65,426.72 and 14,025.68

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Solution

The fourth proportional to 43,615.16, 65,426.72 and 14,025.68 is: 21,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.16 : 65,426.72 = 14,025.68 : x
  2. Step 2: Convert to fraction form
    43,615.16/65,426.72 = 14,025.68/x
  3. Step 3: Cross multiply
    43,615.16x = 65,426.72 × 14,025.68
  4. Step 4: Simplify right side
    43,615.16x = 917,654,238.17
  5. Step 5: Solve for x
    x = 917,654,238.17/43,615.16
  6. Step 6: Final answer
    x = 21,039.80

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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.