Home / 38,664.10-57,967.77-12,353.68

Finding the Fourth Proportional to 38,664.10, 57,967.77 and 12,353.68

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Solution

The fourth proportional to 38,664.10, 57,967.77 and 12,353.68 is: 18,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.10 : 57,967.77 = 12,353.68 : x
  2. Step 2: Convert to fraction form
    38,664.10/57,967.77 = 12,353.68/x
  3. Step 3: Cross multiply
    38,664.10x = 57,967.77 × 12,353.68
  4. Step 4: Simplify right side
    38,664.10x = 716,115,280.89
  5. Step 5: Solve for x
    x = 716,115,280.89/38,664.10
  6. Step 6: Final answer
    x = 18,521.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.