Home / 43,390.10-65,086.58-14,926.76

Finding the Fourth Proportional to 43,390.10, 65,086.58 and 14,926.76

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Solution

The fourth proportional to 43,390.10, 65,086.58 and 14,926.76 is: 22,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.10 : 65,086.58 = 14,926.76 : x
  2. Step 2: Convert to fraction form
    43,390.10/65,086.58 = 14,926.76/x
  3. Step 3: Cross multiply
    43,390.10x = 65,086.58 × 14,926.76
  4. Step 4: Simplify right side
    43,390.10x = 971,531,846.96
  5. Step 5: Solve for x
    x = 971,531,846.96/43,390.10
  6. Step 6: Final answer
    x = 22,390.64

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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.