Home / 23,742.12-32,761.80-13,130.28

Finding the Fourth Proportional to 23,742.12, 32,761.80 and 13,130.28

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Solution

The fourth proportional to 23,742.12, 32,761.80 and 13,130.28 is: 18,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.12 : 32,761.80 = 13,130.28 : x
  2. Step 2: Convert to fraction form
    23,742.12/32,761.80 = 13,130.28/x
  3. Step 3: Cross multiply
    23,742.12x = 32,761.80 × 13,130.28
  4. Step 4: Simplify right side
    23,742.12x = 430,171,607.30
  5. Step 5: Solve for x
    x = 430,171,607.30/23,742.12
  6. Step 6: Final answer
    x = 18,118.50

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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.