Home / 18,419.22-25,418.58-10,461.51

Finding the Fourth Proportional to 18,419.22, 25,418.58 and 10,461.51

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Solution

The fourth proportional to 18,419.22, 25,418.58 and 10,461.51 is: 14,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.22 : 25,418.58 = 10,461.51 : x
  2. Step 2: Convert to fraction form
    18,419.22/25,418.58 = 10,461.51/x
  3. Step 3: Cross multiply
    18,419.22x = 25,418.58 × 10,461.51
  4. Step 4: Simplify right side
    18,419.22x = 265,916,728.86
  5. Step 5: Solve for x
    x = 265,916,728.86/18,419.22
  6. Step 6: Final answer
    x = 14,436.92

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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.