Home / 13,237.92-19,844.19-4,915.71

Finding the Fourth Proportional to 13,237.92, 19,844.19 and 4,915.71

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Solution

The fourth proportional to 13,237.92, 19,844.19 and 4,915.71 is: 7,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.92 : 19,844.19 = 4,915.71 : x
  2. Step 2: Convert to fraction form
    13,237.92/19,844.19 = 4,915.71/x
  3. Step 3: Cross multiply
    13,237.92x = 19,844.19 × 4,915.71
  4. Step 4: Simplify right side
    13,237.92x = 97,548,283.22
  5. Step 5: Solve for x
    x = 97,548,283.22/13,237.92
  6. Step 6: Final answer
    x = 7,368.85

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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.