Home / 23,291.88-32,143.20-12,681.48

Finding the Fourth Proportional to 23,291.88, 32,143.20 and 12,681.48

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Solution

The fourth proportional to 23,291.88, 32,143.20 and 12,681.48 is: 17,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.88 : 32,143.20 = 12,681.48 : x
  2. Step 2: Convert to fraction form
    23,291.88/32,143.20 = 12,681.48/x
  3. Step 3: Cross multiply
    23,291.88x = 32,143.20 × 12,681.48
  4. Step 4: Simplify right side
    23,291.88x = 407,623,347.94
  5. Step 5: Solve for x
    x = 407,623,347.94/23,291.88
  6. Step 6: Final answer
    x = 17,500.66

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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.