Home / 15,587.33-21,504.40-9,608.63

Finding the Fourth Proportional to 15,587.33, 21,504.40 and 9,608.63

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Solution

The fourth proportional to 15,587.33, 21,504.40 and 9,608.63 is: 13,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.33 : 21,504.40 = 9,608.63 : x
  2. Step 2: Convert to fraction form
    15,587.33/21,504.40 = 9,608.63/x
  3. Step 3: Cross multiply
    15,587.33x = 21,504.40 × 9,608.63
  4. Step 4: Simplify right side
    15,587.33x = 206,627,691.43
  5. Step 5: Solve for x
    x = 206,627,691.43/15,587.33
  6. Step 6: Final answer
    x = 13,256.14

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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.