Home / 35,819.48-53,729.34-12,446.12

Finding the Fourth Proportional to 35,819.48, 53,729.34 and 12,446.12

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Solution

The fourth proportional to 35,819.48, 53,729.34 and 12,446.12 is: 18,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.48 : 53,729.34 = 12,446.12 : x
  2. Step 2: Convert to fraction form
    35,819.48/53,729.34 = 12,446.12/x
  3. Step 3: Cross multiply
    35,819.48x = 53,729.34 × 12,446.12
  4. Step 4: Simplify right side
    35,819.48x = 668,721,813.16
  5. Step 5: Solve for x
    x = 668,721,813.16/35,819.48
  6. Step 6: Final answer
    x = 18,669.22

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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.