Home / 15,331.36-22,998.48-4,238.80

Finding the Fourth Proportional to 15,331.36, 22,998.48 and 4,238.80

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Solution

The fourth proportional to 15,331.36, 22,998.48 and 4,238.80 is: 6,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.36 : 22,998.48 = 4,238.80 : x
  2. Step 2: Convert to fraction form
    15,331.36/22,998.48 = 4,238.80/x
  3. Step 3: Cross multiply
    15,331.36x = 22,998.48 × 4,238.80
  4. Step 4: Simplify right side
    15,331.36x = 97,485,957.02
  5. Step 5: Solve for x
    x = 97,485,957.02/15,331.36
  6. Step 6: Final answer
    x = 6,358.60

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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.