Home / 23,389.28-32,276.40-12,778.64

Finding the Fourth Proportional to 23,389.28, 32,276.40 and 12,778.64

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Solution

The fourth proportional to 23,389.28, 32,276.40 and 12,778.64 is: 17,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.28 : 32,276.40 = 12,778.64 : x
  2. Step 2: Convert to fraction form
    23,389.28/32,276.40 = 12,778.64/x
  3. Step 3: Cross multiply
    23,389.28x = 32,276.40 × 12,778.64
  4. Step 4: Simplify right side
    23,389.28x = 412,448,496.10
  5. Step 5: Solve for x
    x = 412,448,496.10/23,389.28
  6. Step 6: Final answer
    x = 17,634.08

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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.