Home / 29,189.36-40,276.96-16,440.72

Finding the Fourth Proportional to 29,189.36, 40,276.96 and 16,440.72

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Solution

The fourth proportional to 29,189.36, 40,276.96 and 16,440.72 is: 22,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.36 : 40,276.96 = 16,440.72 : x
  2. Step 2: Convert to fraction form
    29,189.36/40,276.96 = 16,440.72/x
  3. Step 3: Cross multiply
    29,189.36x = 40,276.96 × 16,440.72
  4. Step 4: Simplify right side
    29,189.36x = 662,182,221.81
  5. Step 5: Solve for x
    x = 662,182,221.81/29,189.36
  6. Step 6: Final answer
    x = 22,685.74

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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.