Home / 18,826.44-25,980.84-10,329

Finding the Fourth Proportional to 18,826.44, 25,980.84 and 10,329

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Solution

The fourth proportional to 18,826.44, 25,980.84 and 10,329 is: 14,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.44 : 25,980.84 = 10,329 : x
  2. Step 2: Convert to fraction form
    18,826.44/25,980.84 = 10,329/x
  3. Step 3: Cross multiply
    18,826.44x = 25,980.84 × 10,329
  4. Step 4: Simplify right side
    18,826.44x = 268,356,096.36
  5. Step 5: Solve for x
    x = 268,356,096.36/18,826.44
  6. Step 6: Final answer
    x = 14,254.21

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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.