Home / 25,892.12-35,716.56-15,541.22

Finding the Fourth Proportional to 25,892.12, 35,716.56 and 15,541.22

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Solution

The fourth proportional to 25,892.12, 35,716.56 and 15,541.22 is: 21,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892.12 : 35,716.56 = 15,541.22 : x
  2. Step 2: Convert to fraction form
    25,892.12/35,716.56 = 15,541.22/x
  3. Step 3: Cross multiply
    25,892.12x = 35,716.56 × 15,541.22
  4. Step 4: Simplify right side
    25,892.12x = 555,078,916.60
  5. Step 5: Solve for x
    x = 555,078,916.60/25,892.12
  6. Step 6: Final answer
    x = 21,438.14

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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.