Home / 13,068.12-19,590.84-5,672.88

Finding the Fourth Proportional to 13,068.12, 19,590.84 and 5,672.88

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Solution

The fourth proportional to 13,068.12, 19,590.84 and 5,672.88 is: 8,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.12 : 19,590.84 = 5,672.88 : x
  2. Step 2: Convert to fraction form
    13,068.12/19,590.84 = 5,672.88/x
  3. Step 3: Cross multiply
    13,068.12x = 19,590.84 × 5,672.88
  4. Step 4: Simplify right side
    13,068.12x = 111,136,484.42
  5. Step 5: Solve for x
    x = 111,136,484.42/13,068.12
  6. Step 6: Final answer
    x = 8,504.40

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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.