Home / 18,590.11-27,885.20-13,068.15

Finding the Fourth Proportional to 18,590.11, 27,885.20 and 13,068.15

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Solution

The fourth proportional to 18,590.11, 27,885.20 and 13,068.15 is: 19,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.11 : 27,885.20 = 13,068.15 : x
  2. Step 2: Convert to fraction form
    18,590.11/27,885.20 = 13,068.15/x
  3. Step 3: Cross multiply
    18,590.11x = 27,885.20 × 13,068.15
  4. Step 4: Simplify right side
    18,590.11x = 364,407,963.32
  5. Step 5: Solve for x
    x = 364,407,963.32/18,590.11
  6. Step 6: Final answer
    x = 19,602.25

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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.