Home / 25,264.71-34,867.76-18,880.21

Finding the Fourth Proportional to 25,264.71, 34,867.76 and 18,880.21

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Solution

The fourth proportional to 25,264.71, 34,867.76 and 18,880.21 is: 26,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,264.71 : 34,867.76 = 18,880.21 : x
  2. Step 2: Convert to fraction form
    25,264.71/34,867.76 = 18,880.21/x
  3. Step 3: Cross multiply
    25,264.71x = 34,867.76 × 18,880.21
  4. Step 4: Simplify right side
    25,264.71x = 658,310,631.03
  5. Step 5: Solve for x
    x = 658,310,631.03/25,264.71
  6. Step 6: Final answer
    x = 26,056.53

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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.