Home / 25,668.90-38,500.74-17,402.04

Finding the Fourth Proportional to 25,668.90, 38,500.74 and 17,402.04

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Solution

The fourth proportional to 25,668.90, 38,500.74 and 17,402.04 is: 26,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.90 : 38,500.74 = 17,402.04 : x
  2. Step 2: Convert to fraction form
    25,668.90/38,500.74 = 17,402.04/x
  3. Step 3: Cross multiply
    25,668.90x = 38,500.74 × 17,402.04
  4. Step 4: Simplify right side
    25,668.90x = 669,991,417.51
  5. Step 5: Solve for x
    x = 669,991,417.51/25,668.90
  6. Step 6: Final answer
    x = 26,101.29

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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.