Home / 18,019.06-24,873.08-13,555.76

Finding the Fourth Proportional to 18,019.06, 24,873.08 and 13,555.76

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Solution

The fourth proportional to 18,019.06, 24,873.08 and 13,555.76 is: 18,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.06 : 24,873.08 = 13,555.76 : x
  2. Step 2: Convert to fraction form
    18,019.06/24,873.08 = 13,555.76/x
  3. Step 3: Cross multiply
    18,019.06x = 24,873.08 × 13,555.76
  4. Step 4: Simplify right side
    18,019.06x = 337,173,310.80
  5. Step 5: Solve for x
    x = 337,173,310.80/18,019.06
  6. Step 6: Final answer
    x = 18,712.04

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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.