Home / 23,315.08-32,173.81-13,243.49

Finding the Fourth Proportional to 23,315.08, 32,173.81 and 13,243.49

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Solution

The fourth proportional to 23,315.08, 32,173.81 and 13,243.49 is: 18,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.08 : 32,173.81 = 13,243.49 : x
  2. Step 2: Convert to fraction form
    23,315.08/32,173.81 = 13,243.49/x
  3. Step 3: Cross multiply
    23,315.08x = 32,173.81 × 13,243.49
  4. Step 4: Simplify right side
    23,315.08x = 426,093,531.00
  5. Step 5: Solve for x
    x = 426,093,531.00/23,315.08
  6. Step 6: Final answer
    x = 18,275.45

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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.