Home / 14,358.66-19,815.06-7,985.34

Finding the Fourth Proportional to 14,358.66, 19,815.06 and 7,985.34

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Solution

The fourth proportional to 14,358.66, 19,815.06 and 7,985.34 is: 11,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.66 : 19,815.06 = 7,985.34 : x
  2. Step 2: Convert to fraction form
    14,358.66/19,815.06 = 7,985.34/x
  3. Step 3: Cross multiply
    14,358.66x = 19,815.06 × 7,985.34
  4. Step 4: Simplify right side
    14,358.66x = 158,229,991.22
  5. Step 5: Solve for x
    x = 158,229,991.22/14,358.66
  6. Step 6: Final answer
    x = 11,019.83

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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.