Home / 25,582.16-38,322.21-20,326.07

Finding the Fourth Proportional to 25,582.16, 38,322.21 and 20,326.07

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Solution

The fourth proportional to 25,582.16, 38,322.21 and 20,326.07 is: 30,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.16 : 38,322.21 = 20,326.07 : x
  2. Step 2: Convert to fraction form
    25,582.16/38,322.21 = 20,326.07/x
  3. Step 3: Cross multiply
    25,582.16x = 38,322.21 × 20,326.07
  4. Step 4: Simplify right side
    25,582.16x = 778,939,923.01
  5. Step 5: Solve for x
    x = 778,939,923.01/25,582.16
  6. Step 6: Final answer
    x = 30,448.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.