Home / 20,632.55-28,475.28-19,365.84

Finding the Fourth Proportional to 20,632.55, 28,475.28 and 19,365.84

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Solution

The fourth proportional to 20,632.55, 28,475.28 and 19,365.84 is: 26,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.55 : 28,475.28 = 19,365.84 : x
  2. Step 2: Convert to fraction form
    20,632.55/28,475.28 = 19,365.84/x
  3. Step 3: Cross multiply
    20,632.55x = 28,475.28 × 19,365.84
  4. Step 4: Simplify right side
    20,632.55x = 551,447,716.44
  5. Step 5: Solve for x
    x = 551,447,716.44/20,632.55
  6. Step 6: Final answer
    x = 26,727.08

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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.