Home / 14,383.17-21,541.55-14,142.60

Finding the Fourth Proportional to 14,383.17, 21,541.55 and 14,142.60

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Solution

The fourth proportional to 14,383.17, 21,541.55 and 14,142.60 is: 21,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.17 : 21,541.55 = 14,142.60 : x
  2. Step 2: Convert to fraction form
    14,383.17/21,541.55 = 14,142.60/x
  3. Step 3: Cross multiply
    14,383.17x = 21,541.55 × 14,142.60
  4. Step 4: Simplify right side
    14,383.17x = 304,653,454.32
  5. Step 5: Solve for x
    x = 304,653,454.32/14,383.17
  6. Step 6: Final answer
    x = 21,181.25

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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.