Home / 14,864.96-20,512.72-8,492.28

Finding the Fourth Proportional to 14,864.96, 20,512.72 and 8,492.28

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Solution

The fourth proportional to 14,864.96, 20,512.72 and 8,492.28 is: 11,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.96 : 20,512.72 = 8,492.28 : x
  2. Step 2: Convert to fraction form
    14,864.96/20,512.72 = 8,492.28/x
  3. Step 3: Cross multiply
    14,864.96x = 20,512.72 × 8,492.28
  4. Step 4: Simplify right side
    14,864.96x = 174,199,761.80
  5. Step 5: Solve for x
    x = 174,199,761.80/14,864.96
  6. Step 6: Final answer
    x = 11,718.82

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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.