Home / 23,186.89-31,994.99-13,753.63

Finding the Fourth Proportional to 23,186.89, 31,994.99 and 13,753.63

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Solution

The fourth proportional to 23,186.89, 31,994.99 and 13,753.63 is: 18,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.89 : 31,994.99 = 13,753.63 : x
  2. Step 2: Convert to fraction form
    23,186.89/31,994.99 = 13,753.63/x
  3. Step 3: Cross multiply
    23,186.89x = 31,994.99 × 13,753.63
  4. Step 4: Simplify right side
    23,186.89x = 440,047,094.34
  5. Step 5: Solve for x
    x = 440,047,094.34/23,186.89
  6. Step 6: Final answer
    x = 18,978.28

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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.