Home / 25,670.75-35,424.82-14,916.53

Finding the Fourth Proportional to 25,670.75, 35,424.82 and 14,916.53

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Solution

The fourth proportional to 25,670.75, 35,424.82 and 14,916.53 is: 20,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.75 : 35,424.82 = 14,916.53 : x
  2. Step 2: Convert to fraction form
    25,670.75/35,424.82 = 14,916.53/x
  3. Step 3: Cross multiply
    25,670.75x = 35,424.82 × 14,916.53
  4. Step 4: Simplify right side
    25,670.75x = 528,415,138.57
  5. Step 5: Solve for x
    x = 528,415,138.57/25,670.75
  6. Step 6: Final answer
    x = 20,584.33

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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.