Home / 14,939.42-20,622.80-10,635.30

Finding the Fourth Proportional to 14,939.42, 20,622.80 and 10,635.30

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Solution

The fourth proportional to 14,939.42, 20,622.80 and 10,635.30 is: 14,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.42 : 20,622.80 = 10,635.30 : x
  2. Step 2: Convert to fraction form
    14,939.42/20,622.80 = 10,635.30/x
  3. Step 3: Cross multiply
    14,939.42x = 20,622.80 × 10,635.30
  4. Step 4: Simplify right side
    14,939.42x = 219,329,664.84
  5. Step 5: Solve for x
    x = 219,329,664.84/14,939.42
  6. Step 6: Final answer
    x = 14,681.27

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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.