Home / 14,201.58-21,295.28-8,280.48

Finding the Fourth Proportional to 14,201.58, 21,295.28 and 8,280.48

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Solution

The fourth proportional to 14,201.58, 21,295.28 and 8,280.48 is: 12,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.58 : 21,295.28 = 8,280.48 : x
  2. Step 2: Convert to fraction form
    14,201.58/21,295.28 = 8,280.48/x
  3. Step 3: Cross multiply
    14,201.58x = 21,295.28 × 8,280.48
  4. Step 4: Simplify right side
    14,201.58x = 176,335,140.13
  5. Step 5: Solve for x
    x = 176,335,140.13/14,201.58
  6. Step 6: Final answer
    x = 12,416.59

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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.