Home / 20,393.46-28,130.04-14,736.51

Finding the Fourth Proportional to 20,393.46, 28,130.04 and 14,736.51

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Solution

The fourth proportional to 20,393.46, 28,130.04 and 14,736.51 is: 20,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.46 : 28,130.04 = 14,736.51 : x
  2. Step 2: Convert to fraction form
    20,393.46/28,130.04 = 14,736.51/x
  3. Step 3: Cross multiply
    20,393.46x = 28,130.04 × 14,736.51
  4. Step 4: Simplify right side
    20,393.46x = 414,538,615.76
  5. Step 5: Solve for x
    x = 414,538,615.76/20,393.46
  6. Step 6: Final answer
    x = 20,327.04

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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.