Home / 19,693.35-27,176.16-11,731.45

Finding the Fourth Proportional to 19,693.35, 27,176.16 and 11,731.45

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Solution

The fourth proportional to 19,693.35, 27,176.16 and 11,731.45 is: 16,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.35 : 27,176.16 = 11,731.45 : x
  2. Step 2: Convert to fraction form
    19,693.35/27,176.16 = 11,731.45/x
  3. Step 3: Cross multiply
    19,693.35x = 27,176.16 × 11,731.45
  4. Step 4: Simplify right side
    19,693.35x = 318,815,762.23
  5. Step 5: Solve for x
    x = 318,815,762.23/19,693.35
  6. Step 6: Final answer
    x = 16,189.01

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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.