Home / 25,823.75-35,636.78-14,645.75

Finding the Fourth Proportional to 25,823.75, 35,636.78 and 14,645.75

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Solution

The fourth proportional to 25,823.75, 35,636.78 and 14,645.75 is: 20,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.75 : 35,636.78 = 14,645.75 : x
  2. Step 2: Convert to fraction form
    25,823.75/35,636.78 = 14,645.75/x
  3. Step 3: Cross multiply
    25,823.75x = 35,636.78 × 14,645.75
  4. Step 4: Simplify right side
    25,823.75x = 521,927,370.69
  5. Step 5: Solve for x
    x = 521,927,370.69/25,823.75
  6. Step 6: Final answer
    x = 20,211.14

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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.