Home / 13,416.05-20,124.07-4,182.05

Finding the Fourth Proportional to 13,416.05, 20,124.07 and 4,182.05

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Solution

The fourth proportional to 13,416.05, 20,124.07 and 4,182.05 is: 6,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.05 : 20,124.07 = 4,182.05 : x
  2. Step 2: Convert to fraction form
    13,416.05/20,124.07 = 4,182.05/x
  3. Step 3: Cross multiply
    13,416.05x = 20,124.07 × 4,182.05
  4. Step 4: Simplify right side
    13,416.05x = 84,159,805.36
  5. Step 5: Solve for x
    x = 84,159,805.36/13,416.05
  6. Step 6: Final answer
    x = 6,273.07

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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.