Home / 14,871.36-20,516.86-9,494.01

Finding the Fourth Proportional to 14,871.36, 20,516.86 and 9,494.01

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Solution

The fourth proportional to 14,871.36, 20,516.86 and 9,494.01 is: 13,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.36 : 20,516.86 = 9,494.01 : x
  2. Step 2: Convert to fraction form
    14,871.36/20,516.86 = 9,494.01/x
  3. Step 3: Cross multiply
    14,871.36x = 20,516.86 × 9,494.01
  4. Step 4: Simplify right side
    14,871.36x = 194,787,285.88
  5. Step 5: Solve for x
    x = 194,787,285.88/14,871.36
  6. Step 6: Final answer
    x = 13,098.15

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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.