Home / 25,810.89-38,716.74-11,770.35

Finding the Fourth Proportional to 25,810.89, 38,716.74 and 11,770.35

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Solution

The fourth proportional to 25,810.89, 38,716.74 and 11,770.35 is: 17,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.89 : 38,716.74 = 11,770.35 : x
  2. Step 2: Convert to fraction form
    25,810.89/38,716.74 = 11,770.35/x
  3. Step 3: Cross multiply
    25,810.89x = 38,716.74 × 11,770.35
  4. Step 4: Simplify right side
    25,810.89x = 455,709,580.66
  5. Step 5: Solve for x
    x = 455,709,580.66/25,810.89
  6. Step 6: Final answer
    x = 17,655.71

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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.