Home / 35,701.77-53,562.69-13,212.12

Finding the Fourth Proportional to 35,701.77, 53,562.69 and 13,212.12

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Solution

The fourth proportional to 35,701.77, 53,562.69 and 13,212.12 is: 19,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,701.77 : 53,562.69 = 13,212.12 : x
  2. Step 2: Convert to fraction form
    35,701.77/53,562.69 = 13,212.12/x
  3. Step 3: Cross multiply
    35,701.77x = 53,562.69 × 13,212.12
  4. Step 4: Simplify right side
    35,701.77x = 707,676,687.80
  5. Step 5: Solve for x
    x = 707,676,687.80/35,701.77
  6. Step 6: Final answer
    x = 19,821.89

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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.