Home / 16,291.35-24,449.34-11,920.08

Finding the Fourth Proportional to 16,291.35, 24,449.34 and 11,920.08

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Solution

The fourth proportional to 16,291.35, 24,449.34 and 11,920.08 is: 17,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.35 : 24,449.34 = 11,920.08 : x
  2. Step 2: Convert to fraction form
    16,291.35/24,449.34 = 11,920.08/x
  3. Step 3: Cross multiply
    16,291.35x = 24,449.34 × 11,920.08
  4. Step 4: Simplify right side
    16,291.35x = 291,438,088.75
  5. Step 5: Solve for x
    x = 291,438,088.75/16,291.35
  6. Step 6: Final answer
    x = 17,889.13

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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.