Home / 18,826.56-25,980.92-10,329.53

Finding the Fourth Proportional to 18,826.56, 25,980.92 and 10,329.53

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Solution

The fourth proportional to 18,826.56, 25,980.92 and 10,329.53 is: 14,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.56 : 25,980.92 = 10,329.53 : x
  2. Step 2: Convert to fraction form
    18,826.56/25,980.92 = 10,329.53/x
  3. Step 3: Cross multiply
    18,826.56x = 25,980.92 × 10,329.53
  4. Step 4: Simplify right side
    18,826.56x = 268,370,549.75
  5. Step 5: Solve for x
    x = 268,370,549.75/18,826.56
  6. Step 6: Final answer
    x = 14,254.89

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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.