Home / 18,115.04-24,999.84-10,157.70

Finding the Fourth Proportional to 18,115.04, 24,999.84 and 10,157.70

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Solution

The fourth proportional to 18,115.04, 24,999.84 and 10,157.70 is: 14,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.04 : 24,999.84 = 10,157.70 : x
  2. Step 2: Convert to fraction form
    18,115.04/24,999.84 = 10,157.70/x
  3. Step 3: Cross multiply
    18,115.04x = 24,999.84 × 10,157.70
  4. Step 4: Simplify right side
    18,115.04x = 253,940,968.52
  5. Step 5: Solve for x
    x = 253,940,968.52/18,115.04
  6. Step 6: Final answer
    x = 14,018.24

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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.