Home / 14,891.34-20,549.70-8,176.95

Finding the Fourth Proportional to 14,891.34, 20,549.70 and 8,176.95

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Solution

The fourth proportional to 14,891.34, 20,549.70 and 8,176.95 is: 11,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.34 : 20,549.70 = 8,176.95 : x
  2. Step 2: Convert to fraction form
    14,891.34/20,549.70 = 8,176.95/x
  3. Step 3: Cross multiply
    14,891.34x = 20,549.70 × 8,176.95
  4. Step 4: Simplify right side
    14,891.34x = 168,033,869.42
  5. Step 5: Solve for x
    x = 168,033,869.42/14,891.34
  6. Step 6: Final answer
    x = 11,284.00

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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.