Home / 14,631.41-20,182.68-8,968.70

Finding the Fourth Proportional to 14,631.41, 20,182.68 and 8,968.70

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Solution

The fourth proportional to 14,631.41, 20,182.68 and 8,968.70 is: 12,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.41 : 20,182.68 = 8,968.70 : x
  2. Step 2: Convert to fraction form
    14,631.41/20,182.68 = 8,968.70/x
  3. Step 3: Cross multiply
    14,631.41x = 20,182.68 × 8,968.70
  4. Step 4: Simplify right side
    14,631.41x = 181,012,301.20
  5. Step 5: Solve for x
    x = 181,012,301.20/14,631.41
  6. Step 6: Final answer
    x = 12,371.49

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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.