Home / 22,219.98-30,648.54-14,271.85

Finding the Fourth Proportional to 22,219.98, 30,648.54 and 14,271.85

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Solution

The fourth proportional to 22,219.98, 30,648.54 and 14,271.85 is: 19,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.98 : 30,648.54 = 14,271.85 : x
  2. Step 2: Convert to fraction form
    22,219.98/30,648.54 = 14,271.85/x
  3. Step 3: Cross multiply
    22,219.98x = 30,648.54 × 14,271.85
  4. Step 4: Simplify right side
    22,219.98x = 437,411,365.60
  5. Step 5: Solve for x
    x = 437,411,365.60/22,219.98
  6. Step 6: Final answer
    x = 19,685.50

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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.