Home / 18,629.16-25,708.44-10,671.23

Finding the Fourth Proportional to 18,629.16, 25,708.44 and 10,671.23

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Solution

The fourth proportional to 18,629.16, 25,708.44 and 10,671.23 is: 14,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.16 : 25,708.44 = 10,671.23 : x
  2. Step 2: Convert to fraction form
    18,629.16/25,708.44 = 10,671.23/x
  3. Step 3: Cross multiply
    18,629.16x = 25,708.44 × 10,671.23
  4. Step 4: Simplify right side
    18,629.16x = 274,340,547.64
  5. Step 5: Solve for x
    x = 274,340,547.64/18,629.16
  6. Step 6: Final answer
    x = 14,726.40

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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.