Home / 25,232.49-34,818.22-15,540.40

Finding the Fourth Proportional to 25,232.49, 34,818.22 and 15,540.40

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Solution

The fourth proportional to 25,232.49, 34,818.22 and 15,540.40 is: 21,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.49 : 34,818.22 = 15,540.40 : x
  2. Step 2: Convert to fraction form
    25,232.49/34,818.22 = 15,540.40/x
  3. Step 3: Cross multiply
    25,232.49x = 34,818.22 × 15,540.40
  4. Step 4: Simplify right side
    25,232.49x = 541,089,107.46
  5. Step 5: Solve for x
    x = 541,089,107.46/25,232.49
  6. Step 6: Final answer
    x = 21,444.14

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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.