Home / 18,826.10-25,980.30-10,329.04

Finding the Fourth Proportional to 18,826.10, 25,980.30 and 10,329.04

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Solution

The fourth proportional to 18,826.10, 25,980.30 and 10,329.04 is: 14,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.10 : 25,980.30 = 10,329.04 : x
  2. Step 2: Convert to fraction form
    18,826.10/25,980.30 = 10,329.04/x
  3. Step 3: Cross multiply
    18,826.10x = 25,980.30 × 10,329.04
  4. Step 4: Simplify right side
    18,826.10x = 268,351,557.91
  5. Step 5: Solve for x
    x = 268,351,557.91/18,826.10
  6. Step 6: Final answer
    x = 14,254.23

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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.