Home / 15,031.64-20,734.62-11,063

Finding the Fourth Proportional to 15,031.64, 20,734.62 and 11,063

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Solution

The fourth proportional to 15,031.64, 20,734.62 and 11,063 is: 15,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.64 : 20,734.62 = 11,063 : x
  2. Step 2: Convert to fraction form
    15,031.64/20,734.62 = 11,063/x
  3. Step 3: Cross multiply
    15,031.64x = 20,734.62 × 11,063
  4. Step 4: Simplify right side
    15,031.64x = 229,387,101.06
  5. Step 5: Solve for x
    x = 229,387,101.06/15,031.64
  6. Step 6: Final answer
    x = 15,260.28

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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.