Home / 18,253.89-25,194.51-15,264.54

Finding the Fourth Proportional to 18,253.89, 25,194.51 and 15,264.54

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Solution

The fourth proportional to 18,253.89, 25,194.51 and 15,264.54 is: 21,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.89 : 25,194.51 = 15,264.54 : x
  2. Step 2: Convert to fraction form
    18,253.89/25,194.51 = 15,264.54/x
  3. Step 3: Cross multiply
    18,253.89x = 25,194.51 × 15,264.54
  4. Step 4: Simplify right side
    18,253.89x = 384,582,605.68
  5. Step 5: Solve for x
    x = 384,582,605.68/18,253.89
  6. Step 6: Final answer
    x = 21,068.53

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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.