Home / 17,370.69-26,055.35-12,090.45

Finding the Fourth Proportional to 17,370.69, 26,055.35 and 12,090.45

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Solution

The fourth proportional to 17,370.69, 26,055.35 and 12,090.45 is: 18,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.69 : 26,055.35 = 12,090.45 : x
  2. Step 2: Convert to fraction form
    17,370.69/26,055.35 = 12,090.45/x
  3. Step 3: Cross multiply
    17,370.69x = 26,055.35 × 12,090.45
  4. Step 4: Simplify right side
    17,370.69x = 315,020,845.96
  5. Step 5: Solve for x
    x = 315,020,845.96/17,370.69
  6. Step 6: Final answer
    x = 18,135.19

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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.