Home / 14,590.96-21,886.40-6,805.20

Finding the Fourth Proportional to 14,590.96, 21,886.40 and 6,805.20

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Solution

The fourth proportional to 14,590.96, 21,886.40 and 6,805.20 is: 10,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.96 : 21,886.40 = 6,805.20 : x
  2. Step 2: Convert to fraction form
    14,590.96/21,886.40 = 6,805.20/x
  3. Step 3: Cross multiply
    14,590.96x = 21,886.40 × 6,805.20
  4. Step 4: Simplify right side
    14,590.96x = 148,941,329.28
  5. Step 5: Solve for x
    x = 148,941,329.28/14,590.96
  6. Step 6: Final answer
    x = 10,207.78

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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.