Home / 43,471.13-65,206.71-12,306.38

Finding the Fourth Proportional to 43,471.13, 65,206.71 and 12,306.38

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Solution

The fourth proportional to 43,471.13, 65,206.71 and 12,306.38 is: 18,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.13 : 65,206.71 = 12,306.38 : x
  2. Step 2: Convert to fraction form
    43,471.13/65,206.71 = 12,306.38/x
  3. Step 3: Cross multiply
    43,471.13x = 65,206.71 × 12,306.38
  4. Step 4: Simplify right side
    43,471.13x = 802,458,225.78
  5. Step 5: Solve for x
    x = 802,458,225.78/43,471.13
  6. Step 6: Final answer
    x = 18,459.57

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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.