Home / 23,903.40-32,952.50-15,942.72

Finding the Fourth Proportional to 23,903.40, 32,952.50 and 15,942.72

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Solution

The fourth proportional to 23,903.40, 32,952.50 and 15,942.72 is: 21,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.40 : 32,952.50 = 15,942.72 : x
  2. Step 2: Convert to fraction form
    23,903.40/32,952.50 = 15,942.72/x
  3. Step 3: Cross multiply
    23,903.40x = 32,952.50 × 15,942.72
  4. Step 4: Simplify right side
    23,903.40x = 525,352,480.80
  5. Step 5: Solve for x
    x = 525,352,480.80/23,903.40
  6. Step 6: Final answer
    x = 21,978.15

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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.