Home / 14,448.60-21,678.30-5,689.62

Finding the Fourth Proportional to 14,448.60, 21,678.30 and 5,689.62

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Solution

The fourth proportional to 14,448.60, 21,678.30 and 5,689.62 is: 8,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.60 : 21,678.30 = 5,689.62 : x
  2. Step 2: Convert to fraction form
    14,448.60/21,678.30 = 5,689.62/x
  3. Step 3: Cross multiply
    14,448.60x = 21,678.30 × 5,689.62
  4. Step 4: Simplify right side
    14,448.60x = 123,341,289.25
  5. Step 5: Solve for x
    x = 123,341,289.25/14,448.60
  6. Step 6: Final answer
    x = 8,536.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.