Home / 23,742.92-32,764.16-12,987.54

Finding the Fourth Proportional to 23,742.92, 32,764.16 and 12,987.54

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Solution

The fourth proportional to 23,742.92, 32,764.16 and 12,987.54 is: 17,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.92 : 32,764.16 = 12,987.54 : x
  2. Step 2: Convert to fraction form
    23,742.92/32,764.16 = 12,987.54/x
  3. Step 3: Cross multiply
    23,742.92x = 32,764.16 × 12,987.54
  4. Step 4: Simplify right side
    23,742.92x = 425,525,871.04
  5. Step 5: Solve for x
    x = 425,525,871.04/23,742.92
  6. Step 6: Final answer
    x = 17,922.22

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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.