Home / 18,515.64-25,551.51-10,017.77

Finding the Fourth Proportional to 18,515.64, 25,551.51 and 10,017.77

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Solution

The fourth proportional to 18,515.64, 25,551.51 and 10,017.77 is: 13,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.64 : 25,551.51 = 10,017.77 : x
  2. Step 2: Convert to fraction form
    18,515.64/25,551.51 = 10,017.77/x
  3. Step 3: Cross multiply
    18,515.64x = 25,551.51 × 10,017.77
  4. Step 4: Simplify right side
    18,515.64x = 255,969,150.33
  5. Step 5: Solve for x
    x = 255,969,150.33/18,515.64
  6. Step 6: Final answer
    x = 13,824.48

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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.