Home / 48,516.19-72,774.38-13,455.95

Finding the Fourth Proportional to 48,516.19, 72,774.38 and 13,455.95

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Solution

The fourth proportional to 48,516.19, 72,774.38 and 13,455.95 is: 20,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516.19 : 72,774.38 = 13,455.95 : x
  2. Step 2: Convert to fraction form
    48,516.19/72,774.38 = 13,455.95/x
  3. Step 3: Cross multiply
    48,516.19x = 72,774.38 × 13,455.95
  4. Step 4: Simplify right side
    48,516.19x = 979,248,088.33
  5. Step 5: Solve for x
    x = 979,248,088.33/48,516.19
  6. Step 6: Final answer
    x = 20,183.95

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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.