Home / 19,785.18-27,302.72-10,832.45

Finding the Fourth Proportional to 19,785.18, 27,302.72 and 10,832.45

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Solution

The fourth proportional to 19,785.18, 27,302.72 and 10,832.45 is: 14,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.18 : 27,302.72 = 10,832.45 : x
  2. Step 2: Convert to fraction form
    19,785.18/27,302.72 = 10,832.45/x
  3. Step 3: Cross multiply
    19,785.18x = 27,302.72 × 10,832.45
  4. Step 4: Simplify right side
    19,785.18x = 295,755,158.59
  5. Step 5: Solve for x
    x = 295,755,158.59/19,785.18
  6. Step 6: Final answer
    x = 14,948.32

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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.