Home / 18,892.17-28,334.48-17,955.45

Finding the Fourth Proportional to 18,892.17, 28,334.48 and 17,955.45

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Solution

The fourth proportional to 18,892.17, 28,334.48 and 17,955.45 is: 26,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.17 : 28,334.48 = 17,955.45 : x
  2. Step 2: Convert to fraction form
    18,892.17/28,334.48 = 17,955.45/x
  3. Step 3: Cross multiply
    18,892.17x = 28,334.48 × 17,955.45
  4. Step 4: Simplify right side
    18,892.17x = 508,758,249.14
  5. Step 5: Solve for x
    x = 508,758,249.14/18,892.17
  6. Step 6: Final answer
    x = 26,929.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.