Home / 18,156.48-25,058.67-11,086.98

Finding the Fourth Proportional to 18,156.48, 25,058.67 and 11,086.98

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Solution

The fourth proportional to 18,156.48, 25,058.67 and 11,086.98 is: 15,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.48 : 25,058.67 = 11,086.98 : x
  2. Step 2: Convert to fraction form
    18,156.48/25,058.67 = 11,086.98/x
  3. Step 3: Cross multiply
    18,156.48x = 25,058.67 × 11,086.98
  4. Step 4: Simplify right side
    18,156.48x = 277,824,973.12
  5. Step 5: Solve for x
    x = 277,824,973.12/18,156.48
  6. Step 6: Final answer
    x = 15,301.70

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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.