Home / 29,016.88-43,528.46-12,378.67

Finding the Fourth Proportional to 29,016.88, 43,528.46 and 12,378.67

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Solution

The fourth proportional to 29,016.88, 43,528.46 and 12,378.67 is: 18,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.88 : 43,528.46 = 12,378.67 : x
  2. Step 2: Convert to fraction form
    29,016.88/43,528.46 = 12,378.67/x
  3. Step 3: Cross multiply
    29,016.88x = 43,528.46 × 12,378.67
  4. Step 4: Simplify right side
    29,016.88x = 538,824,271.23
  5. Step 5: Solve for x
    x = 538,824,271.23/29,016.88
  6. Step 6: Final answer
    x = 18,569.34

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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.