Home / 20,357.25-30,674.54-16,740.49

Finding the Fourth Proportional to 20,357.25, 30,674.54 and 16,740.49

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Solution

The fourth proportional to 20,357.25, 30,674.54 and 16,740.49 is: 25,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.25 : 30,674.54 = 16,740.49 : x
  2. Step 2: Convert to fraction form
    20,357.25/30,674.54 = 16,740.49/x
  3. Step 3: Cross multiply
    20,357.25x = 30,674.54 × 16,740.49
  4. Step 4: Simplify right side
    20,357.25x = 513,506,830.12
  5. Step 5: Solve for x
    x = 513,506,830.12/20,357.25
  6. Step 6: Final answer
    x = 25,224.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.