Home / 14,139.80-19,504.28-10,166.30

Finding the Fourth Proportional to 14,139.80, 19,504.28 and 10,166.30

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Solution

The fourth proportional to 14,139.80, 19,504.28 and 10,166.30 is: 14,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.80 : 19,504.28 = 10,166.30 : x
  2. Step 2: Convert to fraction form
    14,139.80/19,504.28 = 10,166.30/x
  3. Step 3: Cross multiply
    14,139.80x = 19,504.28 × 10,166.30
  4. Step 4: Simplify right side
    14,139.80x = 198,286,213.41
  5. Step 5: Solve for x
    x = 198,286,213.41/14,139.80
  6. Step 6: Final answer
    x = 14,023.27

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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.