Home / 14,106.12-19,458.54-9,628.44

Finding the Fourth Proportional to 14,106.12, 19,458.54 and 9,628.44

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Solution

The fourth proportional to 14,106.12, 19,458.54 and 9,628.44 is: 13,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.12 : 19,458.54 = 9,628.44 : x
  2. Step 2: Convert to fraction form
    14,106.12/19,458.54 = 9,628.44/x
  3. Step 3: Cross multiply
    14,106.12x = 19,458.54 × 9,628.44
  4. Step 4: Simplify right side
    14,106.12x = 187,355,384.88
  5. Step 5: Solve for x
    x = 187,355,384.88/14,106.12
  6. Step 6: Final answer
    x = 13,281.85

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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.