Home / 16,912.28-25,368.40-6,516.76

Finding the Fourth Proportional to 16,912.28, 25,368.40 and 6,516.76

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Solution

The fourth proportional to 16,912.28, 25,368.40 and 6,516.76 is: 9,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.28 : 25,368.40 = 6,516.76 : x
  2. Step 2: Convert to fraction form
    16,912.28/25,368.40 = 6,516.76/x
  3. Step 3: Cross multiply
    16,912.28x = 25,368.40 × 6,516.76
  4. Step 4: Simplify right side
    16,912.28x = 165,319,774.38
  5. Step 5: Solve for x
    x = 165,319,774.38/16,912.28
  6. Step 6: Final answer
    x = 9,775.13

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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.