Home / 14,912.10-20,589.39-10,445.76

Finding the Fourth Proportional to 14,912.10, 20,589.39 and 10,445.76

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Solution

The fourth proportional to 14,912.10, 20,589.39 and 10,445.76 is: 14,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.10 : 20,589.39 = 10,445.76 : x
  2. Step 2: Convert to fraction form
    14,912.10/20,589.39 = 10,445.76/x
  3. Step 3: Cross multiply
    14,912.10x = 20,589.39 × 10,445.76
  4. Step 4: Simplify right side
    14,912.10x = 215,071,826.49
  5. Step 5: Solve for x
    x = 215,071,826.49/14,912.10
  6. Step 6: Final answer
    x = 14,422.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.