Home / 16,403.08-22,643.58-11,113.96

Finding the Fourth Proportional to 16,403.08, 22,643.58 and 11,113.96

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Solution

The fourth proportional to 16,403.08, 22,643.58 and 11,113.96 is: 15,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.08 : 22,643.58 = 11,113.96 : x
  2. Step 2: Convert to fraction form
    16,403.08/22,643.58 = 11,113.96/x
  3. Step 3: Cross multiply
    16,403.08x = 22,643.58 × 11,113.96
  4. Step 4: Simplify right side
    16,403.08x = 251,659,842.38
  5. Step 5: Solve for x
    x = 251,659,842.38/16,403.08
  6. Step 6: Final answer
    x = 15,342.23

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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.