Home / 19,501.38-29,205.18-11,156.13

Finding the Fourth Proportional to 19,501.38, 29,205.18 and 11,156.13

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Solution

The fourth proportional to 19,501.38, 29,205.18 and 11,156.13 is: 16,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.38 : 29,205.18 = 11,156.13 : x
  2. Step 2: Convert to fraction form
    19,501.38/29,205.18 = 11,156.13/x
  3. Step 3: Cross multiply
    19,501.38x = 29,205.18 × 11,156.13
  4. Step 4: Simplify right side
    19,501.38x = 325,816,784.75
  5. Step 5: Solve for x
    x = 325,816,784.75/19,501.38
  6. Step 6: Final answer
    x = 16,707.37

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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.