Home / 25,123.35-34,670.88-14,220.60

Finding the Fourth Proportional to 25,123.35, 34,670.88 and 14,220.60

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Solution

The fourth proportional to 25,123.35, 34,670.88 and 14,220.60 is: 19,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.35 : 34,670.88 = 14,220.60 : x
  2. Step 2: Convert to fraction form
    25,123.35/34,670.88 = 14,220.60/x
  3. Step 3: Cross multiply
    25,123.35x = 34,670.88 × 14,220.60
  4. Step 4: Simplify right side
    25,123.35x = 493,040,716.13
  5. Step 5: Solve for x
    x = 493,040,716.13/25,123.35
  6. Step 6: Final answer
    x = 19,624.80

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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.