Home / 23,840.76-32,900.40-13,230.48

Finding the Fourth Proportional to 23,840.76, 32,900.40 and 13,230.48

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Solution

The fourth proportional to 23,840.76, 32,900.40 and 13,230.48 is: 18,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,840.76 : 32,900.40 = 13,230.48 : x
  2. Step 2: Convert to fraction form
    23,840.76/32,900.40 = 13,230.48/x
  3. Step 3: Cross multiply
    23,840.76x = 32,900.40 × 13,230.48
  4. Step 4: Simplify right side
    23,840.76x = 435,288,084.19
  5. Step 5: Solve for x
    x = 435,288,084.19/23,840.76
  6. Step 6: Final answer
    x = 18,258.15

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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.