Home / 13,622.96-20,446.56-7,053.84

Finding the Fourth Proportional to 13,622.96, 20,446.56 and 7,053.84

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Solution

The fourth proportional to 13,622.96, 20,446.56 and 7,053.84 is: 10,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.96 : 20,446.56 = 7,053.84 : x
  2. Step 2: Convert to fraction form
    13,622.96/20,446.56 = 7,053.84/x
  3. Step 3: Cross multiply
    13,622.96x = 20,446.56 × 7,053.84
  4. Step 4: Simplify right side
    13,622.96x = 144,226,762.79
  5. Step 5: Solve for x
    x = 144,226,762.79/13,622.96
  6. Step 6: Final answer
    x = 10,587.04

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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.