Home / 18,528.56-25,612.51-16,531.76

Finding the Fourth Proportional to 18,528.56, 25,612.51 and 16,531.76

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Solution

The fourth proportional to 18,528.56, 25,612.51 and 16,531.76 is: 22,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.56 : 25,612.51 = 16,531.76 : x
  2. Step 2: Convert to fraction form
    18,528.56/25,612.51 = 16,531.76/x
  3. Step 3: Cross multiply
    18,528.56x = 25,612.51 × 16,531.76
  4. Step 4: Simplify right side
    18,528.56x = 423,419,929.55
  5. Step 5: Solve for x
    x = 423,419,929.55/18,528.56
  6. Step 6: Final answer
    x = 22,852.28

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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.