Home / 13,313.50-19,984.05-9,807.44

Finding the Fourth Proportional to 13,313.50, 19,984.05 and 9,807.44

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Solution

The fourth proportional to 13,313.50, 19,984.05 and 9,807.44 is: 14,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.50 : 19,984.05 = 9,807.44 : x
  2. Step 2: Convert to fraction form
    13,313.50/19,984.05 = 9,807.44/x
  3. Step 3: Cross multiply
    13,313.50x = 19,984.05 × 9,807.44
  4. Step 4: Simplify right side
    13,313.50x = 195,992,271.41
  5. Step 5: Solve for x
    x = 195,992,271.41/13,313.50
  6. Step 6: Final answer
    x = 14,721.32

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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.