Home / 23,740.48-32,740.40-15,232.80

Finding the Fourth Proportional to 23,740.48, 32,740.40 and 15,232.80

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Solution

The fourth proportional to 23,740.48, 32,740.40 and 15,232.80 is: 21,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.48 : 32,740.40 = 15,232.80 : x
  2. Step 2: Convert to fraction form
    23,740.48/32,740.40 = 15,232.80/x
  3. Step 3: Cross multiply
    23,740.48x = 32,740.40 × 15,232.80
  4. Step 4: Simplify right side
    23,740.48x = 498,727,965.12
  5. Step 5: Solve for x
    x = 498,727,965.12/23,740.48
  6. Step 6: Final answer
    x = 21,007.49

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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.