Home / 19,955.16-29,932.74-8,110.13

Finding the Fourth Proportional to 19,955.16, 29,932.74 and 8,110.13

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Solution

The fourth proportional to 19,955.16, 29,932.74 and 8,110.13 is: 12,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.16 : 29,932.74 = 8,110.13 : x
  2. Step 2: Convert to fraction form
    19,955.16/29,932.74 = 8,110.13/x
  3. Step 3: Cross multiply
    19,955.16x = 29,932.74 × 8,110.13
  4. Step 4: Simplify right side
    19,955.16x = 242,758,262.99
  5. Step 5: Solve for x
    x = 242,758,262.99/19,955.16
  6. Step 6: Final answer
    x = 12,165.19

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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.