Home / 20,925.22-31,379.60-7,595.06

Finding the Fourth Proportional to 20,925.22, 31,379.60 and 7,595.06

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Solution

The fourth proportional to 20,925.22, 31,379.60 and 7,595.06 is: 11,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.22 : 31,379.60 = 7,595.06 : x
  2. Step 2: Convert to fraction form
    20,925.22/31,379.60 = 7,595.06/x
  3. Step 3: Cross multiply
    20,925.22x = 31,379.60 × 7,595.06
  4. Step 4: Simplify right side
    20,925.22x = 238,329,944.78
  5. Step 5: Solve for x
    x = 238,329,944.78/20,925.22
  6. Step 6: Final answer
    x = 11,389.60

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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.