Home / 14,860.40-20,514.48-11,873.12

Finding the Fourth Proportional to 14,860.40, 20,514.48 and 11,873.12

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Solution

The fourth proportional to 14,860.40, 20,514.48 and 11,873.12 is: 16,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.40 : 20,514.48 = 11,873.12 : x
  2. Step 2: Convert to fraction form
    14,860.40/20,514.48 = 11,873.12/x
  3. Step 3: Cross multiply
    14,860.40x = 20,514.48 × 11,873.12
  4. Step 4: Simplify right side
    14,860.40x = 243,570,882.78
  5. Step 5: Solve for x
    x = 243,570,882.78/14,860.40
  6. Step 6: Final answer
    x = 16,390.60

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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.