Home / 47,010.20-70,521.90-13,732.72

Finding the Fourth Proportional to 47,010.20, 70,521.90 and 13,732.72

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Solution

The fourth proportional to 47,010.20, 70,521.90 and 13,732.72 is: 20,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,010.20 : 70,521.90 = 13,732.72 : x
  2. Step 2: Convert to fraction form
    47,010.20/70,521.90 = 13,732.72/x
  3. Step 3: Cross multiply
    47,010.20x = 70,521.90 × 13,732.72
  4. Step 4: Simplify right side
    47,010.20x = 968,457,506.57
  5. Step 5: Solve for x
    x = 968,457,506.57/47,010.20
  6. Step 6: Final answer
    x = 20,601.01

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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.