Home / 25,580.24-38,277.44-18,642.32

Finding the Fourth Proportional to 25,580.24, 38,277.44 and 18,642.32

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Solution

The fourth proportional to 25,580.24, 38,277.44 and 18,642.32 is: 27,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.24 : 38,277.44 = 18,642.32 : x
  2. Step 2: Convert to fraction form
    25,580.24/38,277.44 = 18,642.32/x
  3. Step 3: Cross multiply
    25,580.24x = 38,277.44 × 18,642.32
  4. Step 4: Simplify right side
    25,580.24x = 713,580,285.26
  5. Step 5: Solve for x
    x = 713,580,285.26/25,580.24
  6. Step 6: Final answer
    x = 27,895.76

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1.5x scale

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.