Home / 23,291.90-32,142.78-12,681.58

Finding the Fourth Proportional to 23,291.90, 32,142.78 and 12,681.58

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Solution

The fourth proportional to 23,291.90, 32,142.78 and 12,681.58 is: 17,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.90 : 32,142.78 = 12,681.58 : x
  2. Step 2: Convert to fraction form
    23,291.90/32,142.78 = 12,681.58/x
  3. Step 3: Cross multiply
    23,291.90x = 32,142.78 × 12,681.58
  4. Step 4: Simplify right side
    23,291.90x = 407,621,235.99
  5. Step 5: Solve for x
    x = 407,621,235.99/23,291.90
  6. Step 6: Final answer
    x = 17,500.56

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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.