Home / 14,582.35-20,128.51-9,800.70

Finding the Fourth Proportional to 14,582.35, 20,128.51 and 9,800.70

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Solution

The fourth proportional to 14,582.35, 20,128.51 and 9,800.70 is: 13,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.35 : 20,128.51 = 9,800.70 : x
  2. Step 2: Convert to fraction form
    14,582.35/20,128.51 = 9,800.70/x
  3. Step 3: Cross multiply
    14,582.35x = 20,128.51 × 9,800.70
  4. Step 4: Simplify right side
    14,582.35x = 197,273,487.96
  5. Step 5: Solve for x
    x = 197,273,487.96/14,582.35
  6. Step 6: Final answer
    x = 13,528.24

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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.