Home / 14,053.08-19,395.36-8,678.64

Finding the Fourth Proportional to 14,053.08, 19,395.36 and 8,678.64

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Solution

The fourth proportional to 14,053.08, 19,395.36 and 8,678.64 is: 11,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.08 : 19,395.36 = 8,678.64 : x
  2. Step 2: Convert to fraction form
    14,053.08/19,395.36 = 8,678.64/x
  3. Step 3: Cross multiply
    14,053.08x = 19,395.36 × 8,678.64
  4. Step 4: Simplify right side
    14,053.08x = 168,325,347.11
  5. Step 5: Solve for x
    x = 168,325,347.11/14,053.08
  6. Step 6: Final answer
    x = 11,977.83

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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.