Home / 47,012.43-70,527.78-13,732.65

Finding the Fourth Proportional to 47,012.43, 70,527.78 and 13,732.65

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Solution

The fourth proportional to 47,012.43, 70,527.78 and 13,732.65 is: 20,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.43 : 70,527.78 = 13,732.65 : x
  2. Step 2: Convert to fraction form
    47,012.43/70,527.78 = 13,732.65/x
  3. Step 3: Cross multiply
    47,012.43x = 70,527.78 × 13,732.65
  4. Step 4: Simplify right side
    47,012.43x = 968,533,318.02
  5. Step 5: Solve for x
    x = 968,533,318.02/47,012.43
  6. Step 6: Final answer
    x = 20,601.64

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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.