Home / 18,707.31-25,816.04-10,323.75

Finding the Fourth Proportional to 18,707.31, 25,816.04 and 10,323.75

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Solution

The fourth proportional to 18,707.31, 25,816.04 and 10,323.75 is: 14,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.31 : 25,816.04 = 10,323.75 : x
  2. Step 2: Convert to fraction form
    18,707.31/25,816.04 = 10,323.75/x
  3. Step 3: Cross multiply
    18,707.31x = 25,816.04 × 10,323.75
  4. Step 4: Simplify right side
    18,707.31x = 266,518,291.33
  5. Step 5: Solve for x
    x = 266,518,291.33/18,707.31
  6. Step 6: Final answer
    x = 14,246.75

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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.