Home / 23,136.32-31,928.13-12,525.95

Finding the Fourth Proportional to 23,136.32, 31,928.13 and 12,525.95

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Solution

The fourth proportional to 23,136.32, 31,928.13 and 12,525.95 is: 17,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.32 : 31,928.13 = 12,525.95 : x
  2. Step 2: Convert to fraction form
    23,136.32/31,928.13 = 12,525.95/x
  3. Step 3: Cross multiply
    23,136.32x = 31,928.13 × 12,525.95
  4. Step 4: Simplify right side
    23,136.32x = 399,930,159.97
  5. Step 5: Solve for x
    x = 399,930,159.97/23,136.32
  6. Step 6: Final answer
    x = 17,285.82

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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.