Home / 14,701.14-20,288.61-8,414.10

Finding the Fourth Proportional to 14,701.14, 20,288.61 and 8,414.10

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Solution

The fourth proportional to 14,701.14, 20,288.61 and 8,414.10 is: 11,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.14 : 20,288.61 = 8,414.10 : x
  2. Step 2: Convert to fraction form
    14,701.14/20,288.61 = 8,414.10/x
  3. Step 3: Cross multiply
    14,701.14x = 20,288.61 × 8,414.10
  4. Step 4: Simplify right side
    14,701.14x = 170,710,393.40
  5. Step 5: Solve for x
    x = 170,710,393.40/14,701.14
  6. Step 6: Final answer
    x = 11,612.05

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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.