Home / 15,460.15-21,333.71-8,744.23

Finding the Fourth Proportional to 15,460.15, 21,333.71 and 8,744.23

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Solution

The fourth proportional to 15,460.15, 21,333.71 and 8,744.23 is: 12,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.15 : 21,333.71 = 8,744.23 : x
  2. Step 2: Convert to fraction form
    15,460.15/21,333.71 = 8,744.23/x
  3. Step 3: Cross multiply
    15,460.15x = 21,333.71 × 8,744.23
  4. Step 4: Simplify right side
    15,460.15x = 186,546,716.60
  5. Step 5: Solve for x
    x = 186,546,716.60/15,460.15
  6. Step 6: Final answer
    x = 12,066.30

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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.