Home / 15,441.19-21,314.75-9,480.96

Finding the Fourth Proportional to 15,441.19, 21,314.75 and 9,480.96

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Solution

The fourth proportional to 15,441.19, 21,314.75 and 9,480.96 is: 13,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.19 : 21,314.75 = 9,480.96 : x
  2. Step 2: Convert to fraction form
    15,441.19/21,314.75 = 9,480.96/x
  3. Step 3: Cross multiply
    15,441.19x = 21,314.75 × 9,480.96
  4. Step 4: Simplify right side
    15,441.19x = 202,084,244.76
  5. Step 5: Solve for x
    x = 202,084,244.76/15,441.19
  6. Step 6: Final answer
    x = 13,087.35

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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.