Home / 15,558.09-23,316.21-8,527.56

Finding the Fourth Proportional to 15,558.09, 23,316.21 and 8,527.56

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Solution

The fourth proportional to 15,558.09, 23,316.21 and 8,527.56 is: 12,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.09 : 23,316.21 = 8,527.56 : x
  2. Step 2: Convert to fraction form
    15,558.09/23,316.21 = 8,527.56/x
  3. Step 3: Cross multiply
    15,558.09x = 23,316.21 × 8,527.56
  4. Step 4: Simplify right side
    15,558.09x = 198,830,379.75
  5. Step 5: Solve for x
    x = 198,830,379.75/15,558.09
  6. Step 6: Final answer
    x = 12,779.87

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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.