Home / 19,671.95-27,147.60-10,719.44

Finding the Fourth Proportional to 19,671.95, 27,147.60 and 10,719.44

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Solution

The fourth proportional to 19,671.95, 27,147.60 and 10,719.44 is: 14,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.95 : 27,147.60 = 10,719.44 : x
  2. Step 2: Convert to fraction form
    19,671.95/27,147.60 = 10,719.44/x
  3. Step 3: Cross multiply
    19,671.95x = 27,147.60 × 10,719.44
  4. Step 4: Simplify right side
    19,671.95x = 291,007,137.21
  5. Step 5: Solve for x
    x = 291,007,137.21/19,671.95
  6. Step 6: Final answer
    x = 14,793.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.