Home / 23,427.90-32,329.13-12,816.90

Finding the Fourth Proportional to 23,427.90, 32,329.13 and 12,816.90

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Solution

The fourth proportional to 23,427.90, 32,329.13 and 12,816.90 is: 17,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.90 : 32,329.13 = 12,816.90 : x
  2. Step 2: Convert to fraction form
    23,427.90/32,329.13 = 12,816.90/x
  3. Step 3: Cross multiply
    23,427.90x = 32,329.13 × 12,816.90
  4. Step 4: Simplify right side
    23,427.90x = 414,359,162.21
  5. Step 5: Solve for x
    x = 414,359,162.21/23,427.90
  6. Step 6: Final answer
    x = 17,686.57

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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.