Home / 29,353.63-40,508.01-16,778.65

Finding the Fourth Proportional to 29,353.63, 40,508.01 and 16,778.65

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Solution

The fourth proportional to 29,353.63, 40,508.01 and 16,778.65 is: 23,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,353.63 : 40,508.01 = 16,778.65 : x
  2. Step 2: Convert to fraction form
    29,353.63/40,508.01 = 16,778.65/x
  3. Step 3: Cross multiply
    29,353.63x = 40,508.01 × 16,778.65
  4. Step 4: Simplify right side
    29,353.63x = 679,669,638.09
  5. Step 5: Solve for x
    x = 679,669,638.09/29,353.63
  6. Step 6: Final answer
    x = 23,154.53

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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.