Home / 16,720.72-23,059.64-11,061.25

Finding the Fourth Proportional to 16,720.72, 23,059.64 and 11,061.25

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Solution

The fourth proportional to 16,720.72, 23,059.64 and 11,061.25 is: 15,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.72 : 23,059.64 = 11,061.25 : x
  2. Step 2: Convert to fraction form
    16,720.72/23,059.64 = 11,061.25/x
  3. Step 3: Cross multiply
    16,720.72x = 23,059.64 × 11,061.25
  4. Step 4: Simplify right side
    16,720.72x = 255,068,327.65
  5. Step 5: Solve for x
    x = 255,068,327.65/16,720.72
  6. Step 6: Final answer
    x = 15,254.63

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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.