Home / 23,427.32-32,328.78-12,816.68

Finding the Fourth Proportional to 23,427.32, 32,328.78 and 12,816.68

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Solution

The fourth proportional to 23,427.32, 32,328.78 and 12,816.68 is: 17,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.32 : 32,328.78 = 12,816.68 : x
  2. Step 2: Convert to fraction form
    23,427.32/32,328.78 = 12,816.68/x
  3. Step 3: Cross multiply
    23,427.32x = 32,328.78 × 12,816.68
  4. Step 4: Simplify right side
    23,427.32x = 414,347,628.05
  5. Step 5: Solve for x
    x = 414,347,628.05/23,427.32
  6. Step 6: Final answer
    x = 17,686.51

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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.