Home / 14,820.83-20,454.66-9,158.33

Finding the Fourth Proportional to 14,820.83, 20,454.66 and 9,158.33

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Solution

The fourth proportional to 14,820.83, 20,454.66 and 9,158.33 is: 12,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.83 : 20,454.66 = 9,158.33 : x
  2. Step 2: Convert to fraction form
    14,820.83/20,454.66 = 9,158.33/x
  3. Step 3: Cross multiply
    14,820.83x = 20,454.66 × 9,158.33
  4. Step 4: Simplify right side
    14,820.83x = 187,330,424.04
  5. Step 5: Solve for x
    x = 187,330,424.04/14,820.83
  6. Step 6: Final answer
    x = 12,639.68

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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.