Home / 15,668.08-23,472.69-7,761.40

Finding the Fourth Proportional to 15,668.08, 23,472.69 and 7,761.40

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Solution

The fourth proportional to 15,668.08, 23,472.69 and 7,761.40 is: 11,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.08 : 23,472.69 = 7,761.40 : x
  2. Step 2: Convert to fraction form
    15,668.08/23,472.69 = 7,761.40/x
  3. Step 3: Cross multiply
    15,668.08x = 23,472.69 × 7,761.40
  4. Step 4: Simplify right side
    15,668.08x = 182,180,936.17
  5. Step 5: Solve for x
    x = 182,180,936.17/15,668.08
  6. Step 6: Final answer
    x = 11,627.52

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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.