Home / 14,864.03-20,512.52-8,491.47

Finding the Fourth Proportional to 14,864.03, 20,512.52 and 8,491.47

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Solution

The fourth proportional to 14,864.03, 20,512.52 and 8,491.47 is: 11,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.03 : 20,512.52 = 8,491.47 : x
  2. Step 2: Convert to fraction form
    14,864.03/20,512.52 = 8,491.47/x
  3. Step 3: Cross multiply
    14,864.03x = 20,512.52 × 8,491.47
  4. Step 4: Simplify right side
    14,864.03x = 174,181,328.83
  5. Step 5: Solve for x
    x = 174,181,328.83/14,864.03
  6. Step 6: Final answer
    x = 11,718.31

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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.