Home / 23,491.56-32,418.34-12,880.96

Finding the Fourth Proportional to 23,491.56, 32,418.34 and 12,880.96

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Solution

The fourth proportional to 23,491.56, 32,418.34 and 12,880.96 is: 17,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.56 : 32,418.34 = 12,880.96 : x
  2. Step 2: Convert to fraction form
    23,491.56/32,418.34 = 12,880.96/x
  3. Step 3: Cross multiply
    23,491.56x = 32,418.34 × 12,880.96
  4. Step 4: Simplify right side
    23,491.56x = 417,579,340.81
  5. Step 5: Solve for x
    x = 417,579,340.81/23,491.56
  6. Step 6: Final answer
    x = 17,775.72

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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.