Home / 25,867.84-38,801.48-18,237.72

Finding the Fourth Proportional to 25,867.84, 38,801.48 and 18,237.72

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Solution

The fourth proportional to 25,867.84, 38,801.48 and 18,237.72 is: 27,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.84 : 38,801.48 = 18,237.72 : x
  2. Step 2: Convert to fraction form
    25,867.84/38,801.48 = 18,237.72/x
  3. Step 3: Cross multiply
    25,867.84x = 38,801.48 × 18,237.72
  4. Step 4: Simplify right side
    25,867.84x = 707,650,527.83
  5. Step 5: Solve for x
    x = 707,650,527.83/25,867.84
  6. Step 6: Final answer
    x = 27,356.38

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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.