Home / 17,488.60-26,203.74-12,285.16

Finding the Fourth Proportional to 17,488.60, 26,203.74 and 12,285.16

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Solution

The fourth proportional to 17,488.60, 26,203.74 and 12,285.16 is: 18,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.60 : 26,203.74 = 12,285.16 : x
  2. Step 2: Convert to fraction form
    17,488.60/26,203.74 = 12,285.16/x
  3. Step 3: Cross multiply
    17,488.60x = 26,203.74 × 12,285.16
  4. Step 4: Simplify right side
    17,488.60x = 321,917,138.50
  5. Step 5: Solve for x
    x = 321,917,138.50/17,488.60
  6. Step 6: Final answer
    x = 18,407.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.