Home / 14,051.76-19,390.60-7,677.09

Finding the Fourth Proportional to 14,051.76, 19,390.60 and 7,677.09

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Solution

The fourth proportional to 14,051.76, 19,390.60 and 7,677.09 is: 10,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.76 : 19,390.60 = 7,677.09 : x
  2. Step 2: Convert to fraction form
    14,051.76/19,390.60 = 7,677.09/x
  3. Step 3: Cross multiply
    14,051.76x = 19,390.60 × 7,677.09
  4. Step 4: Simplify right side
    14,051.76x = 148,863,284.40
  5. Step 5: Solve for x
    x = 148,863,284.40/14,051.76
  6. Step 6: Final answer
    x = 10,593.92

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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.