Home / 23,320.51-32,181.36-12,709.91

Finding the Fourth Proportional to 23,320.51, 32,181.36 and 12,709.91

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Solution

The fourth proportional to 23,320.51, 32,181.36 and 12,709.91 is: 17,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.51 : 32,181.36 = 12,709.91 : x
  2. Step 2: Convert to fraction form
    23,320.51/32,181.36 = 12,709.91/x
  3. Step 3: Cross multiply
    23,320.51x = 32,181.36 × 12,709.91
  4. Step 4: Simplify right side
    23,320.51x = 409,022,189.28
  5. Step 5: Solve for x
    x = 409,022,189.28/23,320.51
  6. Step 6: Final answer
    x = 17,539.16

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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.