Home / 18,461.06-25,475.48-10,909.84

Finding the Fourth Proportional to 18,461.06, 25,475.48 and 10,909.84

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Solution

The fourth proportional to 18,461.06, 25,475.48 and 10,909.84 is: 15,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.06 : 25,475.48 = 10,909.84 : x
  2. Step 2: Convert to fraction form
    18,461.06/25,475.48 = 10,909.84/x
  3. Step 3: Cross multiply
    18,461.06x = 25,475.48 × 10,909.84
  4. Step 4: Simplify right side
    18,461.06x = 277,933,410.72
  5. Step 5: Solve for x
    x = 277,933,410.72/18,461.06
  6. Step 6: Final answer
    x = 15,055.12

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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.