Home / 20,410.86-30,616.29-13,483.74

Finding the Fourth Proportional to 20,410.86, 30,616.29 and 13,483.74

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Solution

The fourth proportional to 20,410.86, 30,616.29 and 13,483.74 is: 20,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.86 : 30,616.29 = 13,483.74 : x
  2. Step 2: Convert to fraction form
    20,410.86/30,616.29 = 13,483.74/x
  3. Step 3: Cross multiply
    20,410.86x = 30,616.29 × 13,483.74
  4. Step 4: Simplify right side
    20,410.86x = 412,822,094.12
  5. Step 5: Solve for x
    x = 412,822,094.12/20,410.86
  6. Step 6: Final answer
    x = 20,225.61

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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.