Home / 13,038.18-19,557.18-3,177.24

Finding the Fourth Proportional to 13,038.18, 19,557.18 and 3,177.24

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Solution

The fourth proportional to 13,038.18, 19,557.18 and 3,177.24 is: 4,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.18 : 19,557.18 = 3,177.24 : x
  2. Step 2: Convert to fraction form
    13,038.18/19,557.18 = 3,177.24/x
  3. Step 3: Cross multiply
    13,038.18x = 19,557.18 × 3,177.24
  4. Step 4: Simplify right side
    13,038.18x = 62,137,854.58
  5. Step 5: Solve for x
    x = 62,137,854.58/13,038.18
  6. Step 6: Final answer
    x = 4,765.84

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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.