Home / 19,588.08-29,381.96-7,901.12

Finding the Fourth Proportional to 19,588.08, 29,381.96 and 7,901.12

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Solution

The fourth proportional to 19,588.08, 29,381.96 and 7,901.12 is: 11,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.08 : 29,381.96 = 7,901.12 : x
  2. Step 2: Convert to fraction form
    19,588.08/29,381.96 = 7,901.12/x
  3. Step 3: Cross multiply
    19,588.08x = 29,381.96 × 7,901.12
  4. Step 4: Simplify right side
    19,588.08x = 232,150,391.80
  5. Step 5: Solve for x
    x = 232,150,391.80/19,588.08
  6. Step 6: Final answer
    x = 11,851.62

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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.