Home / 26,668.17-36,805.19-15,915.69

Finding the Fourth Proportional to 26,668.17, 36,805.19 and 15,915.69

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Solution

The fourth proportional to 26,668.17, 36,805.19 and 15,915.69 is: 21,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.17 : 36,805.19 = 15,915.69 : x
  2. Step 2: Convert to fraction form
    26,668.17/36,805.19 = 15,915.69/x
  3. Step 3: Cross multiply
    26,668.17x = 36,805.19 × 15,915.69
  4. Step 4: Simplify right side
    26,668.17x = 585,779,914.85
  5. Step 5: Solve for x
    x = 585,779,914.85/26,668.17
  6. Step 6: Final answer
    x = 21,965.51

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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.