Home / 14,620.84-21,934.14-5,386.92

Finding the Fourth Proportional to 14,620.84, 21,934.14 and 5,386.92

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Solution

The fourth proportional to 14,620.84, 21,934.14 and 5,386.92 is: 8,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.84 : 21,934.14 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    14,620.84/21,934.14 = 5,386.92/x
  3. Step 3: Cross multiply
    14,620.84x = 21,934.14 × 5,386.92
  4. Step 4: Simplify right side
    14,620.84x = 118,157,457.45
  5. Step 5: Solve for x
    x = 118,157,457.45/14,620.84
  6. Step 6: Final answer
    x = 8,081.44

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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.