Home / 19,785.15-27,303.14-10,832.49

Finding the Fourth Proportional to 19,785.15, 27,303.14 and 10,832.49

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Solution

The fourth proportional to 19,785.15, 27,303.14 and 10,832.49 is: 14,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.15 : 27,303.14 = 10,832.49 : x
  2. Step 2: Convert to fraction form
    19,785.15/27,303.14 = 10,832.49/x
  3. Step 3: Cross multiply
    19,785.15x = 27,303.14 × 10,832.49
  4. Step 4: Simplify right side
    19,785.15x = 295,761,018.10
  5. Step 5: Solve for x
    x = 295,761,018.10/19,785.15
  6. Step 6: Final answer
    x = 14,948.64

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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.