Home / 18,270.01-25,213.74-10,312.98

Finding the Fourth Proportional to 18,270.01, 25,213.74 and 10,312.98

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Solution

The fourth proportional to 18,270.01, 25,213.74 and 10,312.98 is: 14,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.01 : 25,213.74 = 10,312.98 : x
  2. Step 2: Convert to fraction form
    18,270.01/25,213.74 = 10,312.98/x
  3. Step 3: Cross multiply
    18,270.01x = 25,213.74 × 10,312.98
  4. Step 4: Simplify right side
    18,270.01x = 260,028,796.35
  5. Step 5: Solve for x
    x = 260,028,796.35/18,270.01
  6. Step 6: Final answer
    x = 14,232.55

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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.