Home / 27,312.32-40,984.38-11,516.36

Finding the Fourth Proportional to 27,312.32, 40,984.38 and 11,516.36

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Solution

The fourth proportional to 27,312.32, 40,984.38 and 11,516.36 is: 17,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.32 : 40,984.38 = 11,516.36 : x
  2. Step 2: Convert to fraction form
    27,312.32/40,984.38 = 11,516.36/x
  3. Step 3: Cross multiply
    27,312.32x = 40,984.38 × 11,516.36
  4. Step 4: Simplify right side
    27,312.32x = 471,990,874.46
  5. Step 5: Solve for x
    x = 471,990,874.46/27,312.32
  6. Step 6: Final answer
    x = 17,281.24

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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.