Home / 23,287.67-32,136.02-13,215.90

Finding the Fourth Proportional to 23,287.67, 32,136.02 and 13,215.90

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Solution

The fourth proportional to 23,287.67, 32,136.02 and 13,215.90 is: 18,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.67 : 32,136.02 = 13,215.90 : x
  2. Step 2: Convert to fraction form
    23,287.67/32,136.02 = 13,215.90/x
  3. Step 3: Cross multiply
    23,287.67x = 32,136.02 × 13,215.90
  4. Step 4: Simplify right side
    23,287.67x = 424,706,360.64
  5. Step 5: Solve for x
    x = 424,706,360.64/23,287.67
  6. Step 6: Final answer
    x = 18,237.40

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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.