Home / 23,943.21-33,040.35-13,870.86

Finding the Fourth Proportional to 23,943.21, 33,040.35 and 13,870.86

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Solution

The fourth proportional to 23,943.21, 33,040.35 and 13,870.86 is: 19,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,943.21 : 33,040.35 = 13,870.86 : x
  2. Step 2: Convert to fraction form
    23,943.21/33,040.35 = 13,870.86/x
  3. Step 3: Cross multiply
    23,943.21x = 33,040.35 × 13,870.86
  4. Step 4: Simplify right side
    23,943.21x = 458,298,069.20
  5. Step 5: Solve for x
    x = 458,298,069.20/23,943.21
  6. Step 6: Final answer
    x = 19,141.05

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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.