Home / 18,116.55-24,971.94-14,281.94

Finding the Fourth Proportional to 18,116.55, 24,971.94 and 14,281.94

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Solution

The fourth proportional to 18,116.55, 24,971.94 and 14,281.94 is: 19,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.55 : 24,971.94 = 14,281.94 : x
  2. Step 2: Convert to fraction form
    18,116.55/24,971.94 = 14,281.94/x
  3. Step 3: Cross multiply
    18,116.55x = 24,971.94 × 14,281.94
  4. Step 4: Simplify right side
    18,116.55x = 356,647,748.76
  5. Step 5: Solve for x
    x = 356,647,748.76/18,116.55
  6. Step 6: Final answer
    x = 19,686.30

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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.