Home / 15,627.73-21,576.33-13,946.25

Finding the Fourth Proportional to 15,627.73, 21,576.33 and 13,946.25

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Solution

The fourth proportional to 15,627.73, 21,576.33 and 13,946.25 is: 19,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.73 : 21,576.33 = 13,946.25 : x
  2. Step 2: Convert to fraction form
    15,627.73/21,576.33 = 13,946.25/x
  3. Step 3: Cross multiply
    15,627.73x = 21,576.33 × 13,946.25
  4. Step 4: Simplify right side
    15,627.73x = 300,908,892.26
  5. Step 5: Solve for x
    x = 300,908,892.26/15,627.73
  6. Step 6: Final answer
    x = 19,254.80

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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.