Home / 13,671.18-20,483.15-10,675.13

Finding the Fourth Proportional to 13,671.18, 20,483.15 and 10,675.13

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Solution

The fourth proportional to 13,671.18, 20,483.15 and 10,675.13 is: 15,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.18 : 20,483.15 = 10,675.13 : x
  2. Step 2: Convert to fraction form
    13,671.18/20,483.15 = 10,675.13/x
  3. Step 3: Cross multiply
    13,671.18x = 20,483.15 × 10,675.13
  4. Step 4: Simplify right side
    13,671.18x = 218,660,133.27
  5. Step 5: Solve for x
    x = 218,660,133.27/13,671.18
  6. Step 6: Final answer
    x = 15,994.24

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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.