Home / 18,900.54-26,049.76-13,854.06

Finding the Fourth Proportional to 18,900.54, 26,049.76 and 13,854.06

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Solution

The fourth proportional to 18,900.54, 26,049.76 and 13,854.06 is: 19,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.54 : 26,049.76 = 13,854.06 : x
  2. Step 2: Convert to fraction form
    18,900.54/26,049.76 = 13,854.06/x
  3. Step 3: Cross multiply
    18,900.54x = 26,049.76 × 13,854.06
  4. Step 4: Simplify right side
    18,900.54x = 360,894,938.03
  5. Step 5: Solve for x
    x = 360,894,938.03/18,900.54
  6. Step 6: Final answer
    x = 19,094.42

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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.