Home / 18,323.04-25,285.80-10,365.09

Finding the Fourth Proportional to 18,323.04, 25,285.80 and 10,365.09

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Solution

The fourth proportional to 18,323.04, 25,285.80 and 10,365.09 is: 14,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.04 : 25,285.80 = 10,365.09 : x
  2. Step 2: Convert to fraction form
    18,323.04/25,285.80 = 10,365.09/x
  3. Step 3: Cross multiply
    18,323.04x = 25,285.80 × 10,365.09
  4. Step 4: Simplify right side
    18,323.04x = 262,089,592.72
  5. Step 5: Solve for x
    x = 262,089,592.72/18,323.04
  6. Step 6: Final answer
    x = 14,303.83

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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.