Home / 23,280.64-32,124.84-13,205.88

Finding the Fourth Proportional to 23,280.64, 32,124.84 and 13,205.88

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Solution

The fourth proportional to 23,280.64, 32,124.84 and 13,205.88 is: 18,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.64 : 32,124.84 = 13,205.88 : x
  2. Step 2: Convert to fraction form
    23,280.64/32,124.84 = 13,205.88/x
  3. Step 3: Cross multiply
    23,280.64x = 32,124.84 × 13,205.88
  4. Step 4: Simplify right side
    23,280.64x = 424,236,782.06
  5. Step 5: Solve for x
    x = 424,236,782.06/23,280.64
  6. Step 6: Final answer
    x = 18,222.73

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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.