Home / 19,785.49-27,303.98-10,833.57

Finding the Fourth Proportional to 19,785.49, 27,303.98 and 10,833.57

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Solution

The fourth proportional to 19,785.49, 27,303.98 and 10,833.57 is: 14,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.49 : 27,303.98 = 10,833.57 : x
  2. Step 2: Convert to fraction form
    19,785.49/27,303.98 = 10,833.57/x
  3. Step 3: Cross multiply
    19,785.49x = 27,303.98 × 10,833.57
  4. Step 4: Simplify right side
    19,785.49x = 295,799,578.61
  5. Step 5: Solve for x
    x = 295,799,578.61/19,785.49
  6. Step 6: Final answer
    x = 14,950.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.