Home / 18,461.25-25,476.53-10,077.75

Finding the Fourth Proportional to 18,461.25, 25,476.53 and 10,077.75

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Solution

The fourth proportional to 18,461.25, 25,476.53 and 10,077.75 is: 13,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.25 : 25,476.53 = 10,077.75 : x
  2. Step 2: Convert to fraction form
    18,461.25/25,476.53 = 10,077.75/x
  3. Step 3: Cross multiply
    18,461.25x = 25,476.53 × 10,077.75
  4. Step 4: Simplify right side
    18,461.25x = 256,746,049.82
  5. Step 5: Solve for x
    x = 256,746,049.82/18,461.25
  6. Step 6: Final answer
    x = 13,907.30

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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.