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Finding the Fourth Proportional to 18,590.95, 25,655.54 and 10,093.08

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Solution

The fourth proportional to 18,590.95, 25,655.54 and 10,093.08 is: 13,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.95 : 25,655.54 = 10,093.08 : x
  2. Step 2: Convert to fraction form
    18,590.95/25,655.54 = 10,093.08/x
  3. Step 3: Cross multiply
    18,590.95x = 25,655.54 × 10,093.08
  4. Step 4: Simplify right side
    18,590.95x = 258,943,391.25
  5. Step 5: Solve for x
    x = 258,943,391.25/18,590.95
  6. Step 6: Final answer
    x = 13,928.46

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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.