Home / 18,925.96-26,092.38-13,253.08

Finding the Fourth Proportional to 18,925.96, 26,092.38 and 13,253.08

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Solution

The fourth proportional to 18,925.96, 26,092.38 and 13,253.08 is: 18,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.96 : 26,092.38 = 13,253.08 : x
  2. Step 2: Convert to fraction form
    18,925.96/26,092.38 = 13,253.08/x
  3. Step 3: Cross multiply
    18,925.96x = 26,092.38 × 13,253.08
  4. Step 4: Simplify right side
    18,925.96x = 345,804,399.53
  5. Step 5: Solve for x
    x = 345,804,399.53/18,925.96
  6. Step 6: Final answer
    x = 18,271.43

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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.