Home / 26,130.36-36,040.14-18,168.60

Finding the Fourth Proportional to 26,130.36, 36,040.14 and 18,168.60

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Solution

The fourth proportional to 26,130.36, 36,040.14 and 18,168.60 is: 25,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.36 : 36,040.14 = 18,168.60 : x
  2. Step 2: Convert to fraction form
    26,130.36/36,040.14 = 18,168.60/x
  3. Step 3: Cross multiply
    26,130.36x = 36,040.14 × 18,168.60
  4. Step 4: Simplify right side
    26,130.36x = 654,798,887.60
  5. Step 5: Solve for x
    x = 654,798,887.60/26,130.36
  6. Step 6: Final answer
    x = 25,058.93

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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.