Home / 47,115.88-70,673.23-13,834.74

Finding the Fourth Proportional to 47,115.88, 70,673.23 and 13,834.74

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Solution

The fourth proportional to 47,115.88, 70,673.23 and 13,834.74 is: 20,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.88 : 70,673.23 = 13,834.74 : x
  2. Step 2: Convert to fraction form
    47,115.88/70,673.23 = 13,834.74/x
  3. Step 3: Cross multiply
    47,115.88x = 70,673.23 × 13,834.74
  4. Step 4: Simplify right side
    47,115.88x = 977,745,762.01
  5. Step 5: Solve for x
    x = 977,745,762.01/47,115.88
  6. Step 6: Final answer
    x = 20,751.94

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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.