Home / 23,742.25-32,765.18-12,987.84

Finding the Fourth Proportional to 23,742.25, 32,765.18 and 12,987.84

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Solution

The fourth proportional to 23,742.25, 32,765.18 and 12,987.84 is: 17,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.25 : 32,765.18 = 12,987.84 : x
  2. Step 2: Convert to fraction form
    23,742.25/32,765.18 = 12,987.84/x
  3. Step 3: Cross multiply
    23,742.25x = 32,765.18 × 12,987.84
  4. Step 4: Simplify right side
    23,742.25x = 425,548,973.34
  5. Step 5: Solve for x
    x = 425,548,973.34/23,742.25
  6. Step 6: Final answer
    x = 17,923.70

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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.