Home / 18,590.56-27,885.88-13,068.58

Finding the Fourth Proportional to 18,590.56, 27,885.88 and 13,068.58

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Solution

The fourth proportional to 18,590.56, 27,885.88 and 13,068.58 is: 19,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.56 : 27,885.88 = 13,068.58 : x
  2. Step 2: Convert to fraction form
    18,590.56/27,885.88 = 13,068.58/x
  3. Step 3: Cross multiply
    18,590.56x = 27,885.88 × 13,068.58
  4. Step 4: Simplify right side
    18,590.56x = 364,428,853.65
  5. Step 5: Solve for x
    x = 364,428,853.65/18,590.56
  6. Step 6: Final answer
    x = 19,602.90

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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.