Home / 43,660.65-65,497.14-14,085.12

Finding the Fourth Proportional to 43,660.65, 65,497.14 and 14,085.12

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Solution

The fourth proportional to 43,660.65, 65,497.14 and 14,085.12 is: 21,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660.65 : 65,497.14 = 14,085.12 : x
  2. Step 2: Convert to fraction form
    43,660.65/65,497.14 = 14,085.12/x
  3. Step 3: Cross multiply
    43,660.65x = 65,497.14 × 14,085.12
  4. Step 4: Simplify right side
    43,660.65x = 922,535,076.56
  5. Step 5: Solve for x
    x = 922,535,076.56/43,660.65
  6. Step 6: Final answer
    x = 21,129.67

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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.