Home / 35,911.24-53,877.84-12,539.68

Finding the Fourth Proportional to 35,911.24, 53,877.84 and 12,539.68

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Solution

The fourth proportional to 35,911.24, 53,877.84 and 12,539.68 is: 18,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.24 : 53,877.84 = 12,539.68 : x
  2. Step 2: Convert to fraction form
    35,911.24/53,877.84 = 12,539.68/x
  3. Step 3: Cross multiply
    35,911.24x = 53,877.84 × 12,539.68
  4. Step 4: Simplify right side
    35,911.24x = 675,610,872.69
  5. Step 5: Solve for x
    x = 675,610,872.69/35,911.24
  6. Step 6: Final answer
    x = 18,813.35

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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.