Home / 18,853.52-26,006.36-13,555.52

Finding the Fourth Proportional to 18,853.52, 26,006.36 and 13,555.52

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Solution

The fourth proportional to 18,853.52, 26,006.36 and 13,555.52 is: 18,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.52 : 26,006.36 = 13,555.52 : x
  2. Step 2: Convert to fraction form
    18,853.52/26,006.36 = 13,555.52/x
  3. Step 3: Cross multiply
    18,853.52x = 26,006.36 × 13,555.52
  4. Step 4: Simplify right side
    18,853.52x = 352,529,733.11
  5. Step 5: Solve for x
    x = 352,529,733.11/18,853.52
  6. Step 6: Final answer
    x = 18,698.35

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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.