Home / 25,810.74-38,689.96-17,491.60

Finding the Fourth Proportional to 25,810.74, 38,689.96 and 17,491.60

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Solution

The fourth proportional to 25,810.74, 38,689.96 and 17,491.60 is: 26,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.74 : 38,689.96 = 17,491.60 : x
  2. Step 2: Convert to fraction form
    25,810.74/38,689.96 = 17,491.60/x
  3. Step 3: Cross multiply
    25,810.74x = 38,689.96 × 17,491.60
  4. Step 4: Simplify right side
    25,810.74x = 676,749,304.34
  5. Step 5: Solve for x
    x = 676,749,304.34/25,810.74
  6. Step 6: Final answer
    x = 26,219.68

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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.