Home / 35,863.47-53,802.50-12,491.73

Finding the Fourth Proportional to 35,863.47, 53,802.50 and 12,491.73

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Solution

The fourth proportional to 35,863.47, 53,802.50 and 12,491.73 is: 18,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,863.47 : 53,802.50 = 12,491.73 : x
  2. Step 2: Convert to fraction form
    35,863.47/53,802.50 = 12,491.73/x
  3. Step 3: Cross multiply
    35,863.47x = 53,802.50 × 12,491.73
  4. Step 4: Simplify right side
    35,863.47x = 672,086,240.87
  5. Step 5: Solve for x
    x = 672,086,240.87/35,863.47
  6. Step 6: Final answer
    x = 18,740.13

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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.