Home / 15,255.33-21,050.04-9,587.35

Finding the Fourth Proportional to 15,255.33, 21,050.04 and 9,587.35

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Solution

The fourth proportional to 15,255.33, 21,050.04 and 9,587.35 is: 13,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.33 : 21,050.04 = 9,587.35 : x
  2. Step 2: Convert to fraction form
    15,255.33/21,050.04 = 9,587.35/x
  3. Step 3: Cross multiply
    15,255.33x = 21,050.04 × 9,587.35
  4. Step 4: Simplify right side
    15,255.33x = 201,814,100.99
  5. Step 5: Solve for x
    x = 201,814,100.99/15,255.33
  6. Step 6: Final answer
    x = 13,229.09

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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.