Home / 18,816.98-25,966.04-10,317.74

Finding the Fourth Proportional to 18,816.98, 25,966.04 and 10,317.74

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Solution

The fourth proportional to 18,816.98, 25,966.04 and 10,317.74 is: 14,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.98 : 25,966.04 = 10,317.74 : x
  2. Step 2: Convert to fraction form
    18,816.98/25,966.04 = 10,317.74/x
  3. Step 3: Cross multiply
    18,816.98x = 25,966.04 × 10,317.74
  4. Step 4: Simplify right side
    18,816.98x = 267,910,849.55
  5. Step 5: Solve for x
    x = 267,910,849.55/18,816.98
  6. Step 6: Final answer
    x = 14,237.72

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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.