Home / 14,891.03-20,549.65-8,603.41

Finding the Fourth Proportional to 14,891.03, 20,549.65 and 8,603.41

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Solution

The fourth proportional to 14,891.03, 20,549.65 and 8,603.41 is: 11,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.03 : 20,549.65 = 8,603.41 : x
  2. Step 2: Convert to fraction form
    14,891.03/20,549.65 = 8,603.41/x
  3. Step 3: Cross multiply
    14,891.03x = 20,549.65 × 8,603.41
  4. Step 4: Simplify right side
    14,891.03x = 176,797,064.31
  5. Step 5: Solve for x
    x = 176,797,064.31/14,891.03
  6. Step 6: Final answer
    x = 11,872.72

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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.