Home / 47,275.29-70,912.71-13,995.56

Finding the Fourth Proportional to 47,275.29, 70,912.71 and 13,995.56

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Solution

The fourth proportional to 47,275.29, 70,912.71 and 13,995.56 is: 20,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.29 : 70,912.71 = 13,995.56 : x
  2. Step 2: Convert to fraction form
    47,275.29/70,912.71 = 13,995.56/x
  3. Step 3: Cross multiply
    47,275.29x = 70,912.71 × 13,995.56
  4. Step 4: Simplify right side
    47,275.29x = 992,462,733.00
  5. Step 5: Solve for x
    x = 992,462,733.00/47,275.29
  6. Step 6: Final answer
    x = 20,993.27

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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.