Home / 18,595.02-25,639.44-13,871.10

Finding the Fourth Proportional to 18,595.02, 25,639.44 and 13,871.10

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Solution

The fourth proportional to 18,595.02, 25,639.44 and 13,871.10 is: 19,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.02 : 25,639.44 = 13,871.10 : x
  2. Step 2: Convert to fraction form
    18,595.02/25,639.44 = 13,871.10/x
  3. Step 3: Cross multiply
    18,595.02x = 25,639.44 × 13,871.10
  4. Step 4: Simplify right side
    18,595.02x = 355,647,236.18
  5. Step 5: Solve for x
    x = 355,647,236.18/18,595.02
  6. Step 6: Final answer
    x = 19,125.94

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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.