Home / 14,926.55-20,581.80-11,515.79

Finding the Fourth Proportional to 14,926.55, 20,581.80 and 11,515.79

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Solution

The fourth proportional to 14,926.55, 20,581.80 and 11,515.79 is: 15,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.55 : 20,581.80 = 11,515.79 : x
  2. Step 2: Convert to fraction form
    14,926.55/20,581.80 = 11,515.79/x
  3. Step 3: Cross multiply
    14,926.55x = 20,581.80 × 11,515.79
  4. Step 4: Simplify right side
    14,926.55x = 237,015,583.71
  5. Step 5: Solve for x
    x = 237,015,583.71/14,926.55
  6. Step 6: Final answer
    x = 15,878.80

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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.