Home / 18,587.22-27,841.95-13,586.28

Finding the Fourth Proportional to 18,587.22, 27,841.95 and 13,586.28

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Solution

The fourth proportional to 18,587.22, 27,841.95 and 13,586.28 is: 20,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.22 : 27,841.95 = 13,586.28 : x
  2. Step 2: Convert to fraction form
    18,587.22/27,841.95 = 13,586.28/x
  3. Step 3: Cross multiply
    18,587.22x = 27,841.95 × 13,586.28
  4. Step 4: Simplify right side
    18,587.22x = 378,268,528.45
  5. Step 5: Solve for x
    x = 378,268,528.45/18,587.22
  6. Step 6: Final answer
    x = 20,351.00

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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.