Home / 23,477.76-32,341.44-20,109.60

Finding the Fourth Proportional to 23,477.76, 32,341.44 and 20,109.60

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Solution

The fourth proportional to 23,477.76, 32,341.44 and 20,109.60 is: 27,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,477.76 : 32,341.44 = 20,109.60 : x
  2. Step 2: Convert to fraction form
    23,477.76/32,341.44 = 20,109.60/x
  3. Step 3: Cross multiply
    23,477.76x = 32,341.44 × 20,109.60
  4. Step 4: Simplify right side
    23,477.76x = 650,373,421.82
  5. Step 5: Solve for x
    x = 650,373,421.82/23,477.76
  6. Step 6: Final answer
    x = 27,701.68

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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.