Home / 18,261.40-25,200.30-10,303.96

Finding the Fourth Proportional to 18,261.40, 25,200.30 and 10,303.96

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Solution

The fourth proportional to 18,261.40, 25,200.30 and 10,303.96 is: 14,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.40 : 25,200.30 = 10,303.96 : x
  2. Step 2: Convert to fraction form
    18,261.40/25,200.30 = 10,303.96/x
  3. Step 3: Cross multiply
    18,261.40x = 25,200.30 × 10,303.96
  4. Step 4: Simplify right side
    18,261.40x = 259,662,883.19
  5. Step 5: Solve for x
    x = 259,662,883.19/18,261.40
  6. Step 6: Final answer
    x = 14,219.22

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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.