Home / 23,428.50-35,127.13-12,903.45

Finding the Fourth Proportional to 23,428.50, 35,127.13 and 12,903.45

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Solution

The fourth proportional to 23,428.50, 35,127.13 and 12,903.45 is: 19,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.50 : 35,127.13 = 12,903.45 : x
  2. Step 2: Convert to fraction form
    23,428.50/35,127.13 = 12,903.45/x
  3. Step 3: Cross multiply
    23,428.50x = 35,127.13 × 12,903.45
  4. Step 4: Simplify right side
    23,428.50x = 453,261,241.54
  5. Step 5: Solve for x
    x = 453,261,241.54/23,428.50
  6. Step 6: Final answer
    x = 19,346.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.