Home / 14,575.95-20,066.16-13,906.43

Finding the Fourth Proportional to 14,575.95, 20,066.16 and 13,906.43

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Solution

The fourth proportional to 14,575.95, 20,066.16 and 13,906.43 is: 19,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.95 : 20,066.16 = 13,906.43 : x
  2. Step 2: Convert to fraction form
    14,575.95/20,066.16 = 13,906.43/x
  3. Step 3: Cross multiply
    14,575.95x = 20,066.16 × 13,906.43
  4. Step 4: Simplify right side
    14,575.95x = 279,048,649.41
  5. Step 5: Solve for x
    x = 279,048,649.41/14,575.95
  6. Step 6: Final answer
    x = 19,144.46

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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.