Home / 18,777.05-25,884.71-14,292.99

Finding the Fourth Proportional to 18,777.05, 25,884.71 and 14,292.99

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Solution

The fourth proportional to 18,777.05, 25,884.71 and 14,292.99 is: 19,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.05 : 25,884.71 = 14,292.99 : x
  2. Step 2: Convert to fraction form
    18,777.05/25,884.71 = 14,292.99/x
  3. Step 3: Cross multiply
    18,777.05x = 25,884.71 × 14,292.99
  4. Step 4: Simplify right side
    18,777.05x = 369,969,771.76
  5. Step 5: Solve for x
    x = 369,969,771.76/18,777.05
  6. Step 6: Final answer
    x = 19,703.30

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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.