Home / 23,289.51-32,136.84-13,215.95

Finding the Fourth Proportional to 23,289.51, 32,136.84 and 13,215.95

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Solution

The fourth proportional to 23,289.51, 32,136.84 and 13,215.95 is: 18,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.51 : 32,136.84 = 13,215.95 : x
  2. Step 2: Convert to fraction form
    23,289.51/32,136.84 = 13,215.95/x
  3. Step 3: Cross multiply
    23,289.51x = 32,136.84 × 13,215.95
  4. Step 4: Simplify right side
    23,289.51x = 424,718,709.91
  5. Step 5: Solve for x
    x = 424,718,709.91/23,289.51
  6. Step 6: Final answer
    x = 18,236.48

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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.