Home / 25,941.96-38,918.72-7,472.52

Finding the Fourth Proportional to 25,941.96, 38,918.72 and 7,472.52

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Solution

The fourth proportional to 25,941.96, 38,918.72 and 7,472.52 is: 11,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.96 : 38,918.72 = 7,472.52 : x
  2. Step 2: Convert to fraction form
    25,941.96/38,918.72 = 7,472.52/x
  3. Step 3: Cross multiply
    25,941.96x = 38,918.72 × 7,472.52
  4. Step 4: Simplify right side
    25,941.96x = 290,820,913.57
  5. Step 5: Solve for x
    x = 290,820,913.57/25,941.96
  6. Step 6: Final answer
    x = 11,210.44

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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.