Home / 14,391.62-21,573.57-7,374.95

Finding the Fourth Proportional to 14,391.62, 21,573.57 and 7,374.95

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Solution

The fourth proportional to 14,391.62, 21,573.57 and 7,374.95 is: 11,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.62 : 21,573.57 = 7,374.95 : x
  2. Step 2: Convert to fraction form
    14,391.62/21,573.57 = 7,374.95/x
  3. Step 3: Cross multiply
    14,391.62x = 21,573.57 × 7,374.95
  4. Step 4: Simplify right side
    14,391.62x = 159,103,892.20
  5. Step 5: Solve for x
    x = 159,103,892.20/14,391.62
  6. Step 6: Final answer
    x = 11,055.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.