Home / 12,447.18-18,672.53-4,655.25

Finding the Fourth Proportional to 12,447.18, 18,672.53 and 4,655.25

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Solution

The fourth proportional to 12,447.18, 18,672.53 and 4,655.25 is: 6,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.18 : 18,672.53 = 4,655.25 : x
  2. Step 2: Convert to fraction form
    12,447.18/18,672.53 = 4,655.25/x
  3. Step 3: Cross multiply
    12,447.18x = 18,672.53 × 4,655.25
  4. Step 4: Simplify right side
    12,447.18x = 86,925,272.01
  5. Step 5: Solve for x
    x = 86,925,272.01/12,447.18
  6. Step 6: Final answer
    x = 6,983.53

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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.