Home / 14,260.80-21,362.40-8,097.60

Finding the Fourth Proportional to 14,260.80, 21,362.40 and 8,097.60

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Solution

The fourth proportional to 14,260.80, 21,362.40 and 8,097.60 is: 12,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.80 : 21,362.40 = 8,097.60 : x
  2. Step 2: Convert to fraction form
    14,260.80/21,362.40 = 8,097.60/x
  3. Step 3: Cross multiply
    14,260.80x = 21,362.40 × 8,097.60
  4. Step 4: Simplify right side
    14,260.80x = 172,984,170.24
  5. Step 5: Solve for x
    x = 172,984,170.24/14,260.80
  6. Step 6: Final answer
    x = 12,130.05

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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.