Home / 23,390.16-32,277.96-13,181.28

Finding the Fourth Proportional to 23,390.16, 32,277.96 and 13,181.28

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Solution

The fourth proportional to 23,390.16, 32,277.96 and 13,181.28 is: 18,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.16 : 32,277.96 = 13,181.28 : x
  2. Step 2: Convert to fraction form
    23,390.16/32,277.96 = 13,181.28/x
  3. Step 3: Cross multiply
    23,390.16x = 32,277.96 × 13,181.28
  4. Step 4: Simplify right side
    23,390.16x = 425,464,828.59
  5. Step 5: Solve for x
    x = 425,464,828.59/23,390.16
  6. Step 6: Final answer
    x = 18,189.91

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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.