Home / 23,689.38-32,681.07-13,615.50

Finding the Fourth Proportional to 23,689.38, 32,681.07 and 13,615.50

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Solution

The fourth proportional to 23,689.38, 32,681.07 and 13,615.50 is: 18,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.38 : 32,681.07 = 13,615.50 : x
  2. Step 2: Convert to fraction form
    23,689.38/32,681.07 = 13,615.50/x
  3. Step 3: Cross multiply
    23,689.38x = 32,681.07 × 13,615.50
  4. Step 4: Simplify right side
    23,689.38x = 444,969,108.59
  5. Step 5: Solve for x
    x = 444,969,108.59/23,689.38
  6. Step 6: Final answer
    x = 18,783.48

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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.