Home / 14,490.34-19,995.60-8,201.50

Finding the Fourth Proportional to 14,490.34, 19,995.60 and 8,201.50

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Solution

The fourth proportional to 14,490.34, 19,995.60 and 8,201.50 is: 11,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.34 : 19,995.60 = 8,201.50 : x
  2. Step 2: Convert to fraction form
    14,490.34/19,995.60 = 8,201.50/x
  3. Step 3: Cross multiply
    14,490.34x = 19,995.60 × 8,201.50
  4. Step 4: Simplify right side
    14,490.34x = 163,993,913.40
  5. Step 5: Solve for x
    x = 163,993,913.40/14,490.34
  6. Step 6: Final answer
    x = 11,317.46

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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.