Home / 18,384.52-25,364.44-11,308.36

Finding the Fourth Proportional to 18,384.52, 25,364.44 and 11,308.36

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Solution

The fourth proportional to 18,384.52, 25,364.44 and 11,308.36 is: 15,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.52 : 25,364.44 = 11,308.36 : x
  2. Step 2: Convert to fraction form
    18,384.52/25,364.44 = 11,308.36/x
  3. Step 3: Cross multiply
    18,384.52x = 25,364.44 × 11,308.36
  4. Step 4: Simplify right side
    18,384.52x = 286,830,218.72
  5. Step 5: Solve for x
    x = 286,830,218.72/18,384.52
  6. Step 6: Final answer
    x = 15,601.72

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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.