Home / 20,410.02-28,154.34-14,035.86

Finding the Fourth Proportional to 20,410.02, 28,154.34 and 14,035.86

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Solution

The fourth proportional to 20,410.02, 28,154.34 and 14,035.86 is: 19,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.02 : 28,154.34 = 14,035.86 : x
  2. Step 2: Convert to fraction form
    20,410.02/28,154.34 = 14,035.86/x
  3. Step 3: Cross multiply
    20,410.02x = 28,154.34 × 14,035.86
  4. Step 4: Simplify right side
    20,410.02x = 395,170,374.63
  5. Step 5: Solve for x
    x = 395,170,374.63/20,410.02
  6. Step 6: Final answer
    x = 19,361.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.