Home / 17,516.16-26,285.76-8,277.12

Finding the Fourth Proportional to 17,516.16, 26,285.76 and 8,277.12

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Solution

The fourth proportional to 17,516.16, 26,285.76 and 8,277.12 is: 12,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.16 : 26,285.76 = 8,277.12 : x
  2. Step 2: Convert to fraction form
    17,516.16/26,285.76 = 8,277.12/x
  3. Step 3: Cross multiply
    17,516.16x = 26,285.76 × 8,277.12
  4. Step 4: Simplify right side
    17,516.16x = 217,570,389.81
  5. Step 5: Solve for x
    x = 217,570,389.81/17,516.16
  6. Step 6: Final answer
    x = 12,421.12

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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.