Home / 14,962.08-20,648.59-8,247.69

Finding the Fourth Proportional to 14,962.08, 20,648.59 and 8,247.69

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Solution

The fourth proportional to 14,962.08, 20,648.59 and 8,247.69 is: 11,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.08 : 20,648.59 = 8,247.69 : x
  2. Step 2: Convert to fraction form
    14,962.08/20,648.59 = 8,247.69/x
  3. Step 3: Cross multiply
    14,962.08x = 20,648.59 × 8,247.69
  4. Step 4: Simplify right side
    14,962.08x = 170,303,024.78
  5. Step 5: Solve for x
    x = 170,303,024.78/14,962.08
  6. Step 6: Final answer
    x = 11,382.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.