Home / 16,691.81-25,047.90-9,685.58

Finding the Fourth Proportional to 16,691.81, 25,047.90 and 9,685.58

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Solution

The fourth proportional to 16,691.81, 25,047.90 and 9,685.58 is: 14,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.81 : 25,047.90 = 9,685.58 : x
  2. Step 2: Convert to fraction form
    16,691.81/25,047.90 = 9,685.58/x
  3. Step 3: Cross multiply
    16,691.81x = 25,047.90 × 9,685.58
  4. Step 4: Simplify right side
    16,691.81x = 242,603,314.04
  5. Step 5: Solve for x
    x = 242,603,314.04/16,691.81
  6. Step 6: Final answer
    x = 14,534.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.