Home / 22,427.53-30,948.87-12,355.70

Finding the Fourth Proportional to 22,427.53, 30,948.87 and 12,355.70

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Solution

The fourth proportional to 22,427.53, 30,948.87 and 12,355.70 is: 17,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.53 : 30,948.87 = 12,355.70 : x
  2. Step 2: Convert to fraction form
    22,427.53/30,948.87 = 12,355.70/x
  3. Step 3: Cross multiply
    22,427.53x = 30,948.87 × 12,355.70
  4. Step 4: Simplify right side
    22,427.53x = 382,394,798.31
  5. Step 5: Solve for x
    x = 382,394,798.31/22,427.53
  6. Step 6: Final answer
    x = 17,050.24

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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.