Home / 23,281.22-32,127.12-12,670.89

Finding the Fourth Proportional to 23,281.22, 32,127.12 and 12,670.89

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Solution

The fourth proportional to 23,281.22, 32,127.12 and 12,670.89 is: 17,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.22 : 32,127.12 = 12,670.89 : x
  2. Step 2: Convert to fraction form
    23,281.22/32,127.12 = 12,670.89/x
  3. Step 3: Cross multiply
    23,281.22x = 32,127.12 × 12,670.89
  4. Step 4: Simplify right side
    23,281.22x = 407,079,203.54
  5. Step 5: Solve for x
    x = 407,079,203.54/23,281.22
  6. Step 6: Final answer
    x = 17,485.31

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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.