Home / 18,362.06-25,339.16-10,405.04

Finding the Fourth Proportional to 18,362.06, 25,339.16 and 10,405.04

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Solution

The fourth proportional to 18,362.06, 25,339.16 and 10,405.04 is: 14,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.06 : 25,339.16 = 10,405.04 : x
  2. Step 2: Convert to fraction form
    18,362.06/25,339.16 = 10,405.04/x
  3. Step 3: Cross multiply
    18,362.06x = 25,339.16 × 10,405.04
  4. Step 4: Simplify right side
    18,362.06x = 263,654,973.37
  5. Step 5: Solve for x
    x = 263,654,973.37/18,362.06
  6. Step 6: Final answer
    x = 14,358.68

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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.