Home / 13,038.68-19,557.92-4,715.60

Finding the Fourth Proportional to 13,038.68, 19,557.92 and 4,715.60

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Solution

The fourth proportional to 13,038.68, 19,557.92 and 4,715.60 is: 7,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.68 : 19,557.92 = 4,715.60 : x
  2. Step 2: Convert to fraction form
    13,038.68/19,557.92 = 4,715.60/x
  3. Step 3: Cross multiply
    13,038.68x = 19,557.92 × 4,715.60
  4. Step 4: Simplify right side
    13,038.68x = 92,227,241.55
  5. Step 5: Solve for x
    x = 92,227,241.55/13,038.68
  6. Step 6: Final answer
    x = 7,073.36

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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.