Home / 18,548.21-25,605.40-10,588.90

Finding the Fourth Proportional to 18,548.21, 25,605.40 and 10,588.90

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Solution

The fourth proportional to 18,548.21, 25,605.40 and 10,588.90 is: 14,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.21 : 25,605.40 = 10,588.90 : x
  2. Step 2: Convert to fraction form
    18,548.21/25,605.40 = 10,588.90/x
  3. Step 3: Cross multiply
    18,548.21x = 25,605.40 × 10,588.90
  4. Step 4: Simplify right side
    18,548.21x = 271,132,929.57
  5. Step 5: Solve for x
    x = 271,132,929.57/18,548.21
  6. Step 6: Final answer
    x = 14,617.74

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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.