Home / 21,668.04-29,926.58-14,582.16

Finding the Fourth Proportional to 21,668.04, 29,926.58 and 14,582.16

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Solution

The fourth proportional to 21,668.04, 29,926.58 and 14,582.16 is: 20,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.04 : 29,926.58 = 14,582.16 : x
  2. Step 2: Convert to fraction form
    21,668.04/29,926.58 = 14,582.16/x
  3. Step 3: Cross multiply
    21,668.04x = 29,926.58 × 14,582.16
  4. Step 4: Simplify right side
    21,668.04x = 436,394,104.90
  5. Step 5: Solve for x
    x = 436,394,104.90/21,668.04
  6. Step 6: Final answer
    x = 20,139.99

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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.