Home / 18,770.46-25,903.02-10,272.51

Finding the Fourth Proportional to 18,770.46, 25,903.02 and 10,272.51

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Solution

The fourth proportional to 18,770.46, 25,903.02 and 10,272.51 is: 14,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.46 : 25,903.02 = 10,272.51 : x
  2. Step 2: Convert to fraction form
    18,770.46/25,903.02 = 10,272.51/x
  3. Step 3: Cross multiply
    18,770.46x = 25,903.02 × 10,272.51
  4. Step 4: Simplify right side
    18,770.46x = 266,089,031.98
  5. Step 5: Solve for x
    x = 266,089,031.98/18,770.46
  6. Step 6: Final answer
    x = 14,175.95

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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.