Home / 18,590.36-25,654.74-10,207.40

Finding the Fourth Proportional to 18,590.36, 25,654.74 and 10,207.40

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Solution

The fourth proportional to 18,590.36, 25,654.74 and 10,207.40 is: 14,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.36 : 25,654.74 = 10,207.40 : x
  2. Step 2: Convert to fraction form
    18,590.36/25,654.74 = 10,207.40/x
  3. Step 3: Cross multiply
    18,590.36x = 25,654.74 × 10,207.40
  4. Step 4: Simplify right side
    18,590.36x = 261,868,193.08
  5. Step 5: Solve for x
    x = 261,868,193.08/18,590.36
  6. Step 6: Final answer
    x = 14,086.24

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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.