Home / 17,612.06-26,421.55-6,518.85

Finding the Fourth Proportional to 17,612.06, 26,421.55 and 6,518.85

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Solution

The fourth proportional to 17,612.06, 26,421.55 and 6,518.85 is: 9,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.06 : 26,421.55 = 6,518.85 : x
  2. Step 2: Convert to fraction form
    17,612.06/26,421.55 = 6,518.85/x
  3. Step 3: Cross multiply
    17,612.06x = 26,421.55 × 6,518.85
  4. Step 4: Simplify right side
    17,612.06x = 172,237,972.81
  5. Step 5: Solve for x
    x = 172,237,972.81/17,612.06
  6. Step 6: Final answer
    x = 9,779.55

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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.