Home / 14,431.30-19,915.00-8,058.00

Finding the Fourth Proportional to 14,431.30, 19,915.00 and 8,058.00

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Solution

The fourth proportional to 14,431.30, 19,915.00 and 8,058.00 is: 11,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.30 : 19,915.00 = 8,058.00 : x
  2. Step 2: Convert to fraction form
    14,431.30/19,915.00 = 8,058.00/x
  3. Step 3: Cross multiply
    14,431.30x = 19,915.00 × 8,058.00
  4. Step 4: Simplify right side
    14,431.30x = 160,474,930.14
  5. Step 5: Solve for x
    x = 160,474,930.14/14,431.30
  6. Step 6: Final answer
    x = 11,119.93

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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.