Home / 18,271.63-25,177.38-14,022.47

Finding the Fourth Proportional to 18,271.63, 25,177.38 and 14,022.47

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Solution

The fourth proportional to 18,271.63, 25,177.38 and 14,022.47 is: 19,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.63 : 25,177.38 = 14,022.47 : x
  2. Step 2: Convert to fraction form
    18,271.63/25,177.38 = 14,022.47/x
  3. Step 3: Cross multiply
    18,271.63x = 25,177.38 × 14,022.47
  4. Step 4: Simplify right side
    18,271.63x = 353,049,003.34
  5. Step 5: Solve for x
    x = 353,049,003.34/18,271.63
  6. Step 6: Final answer
    x = 19,322.25

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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.