Home / 43,168.36-64,752.36-13,588.72

Finding the Fourth Proportional to 43,168.36, 64,752.36 and 13,588.72

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Solution

The fourth proportional to 43,168.36, 64,752.36 and 13,588.72 is: 20,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.36 : 64,752.36 = 13,588.72 : x
  2. Step 2: Convert to fraction form
    43,168.36/64,752.36 = 13,588.72/x
  3. Step 3: Cross multiply
    43,168.36x = 64,752.36 × 13,588.72
  4. Step 4: Simplify right side
    43,168.36x = 879,901,689.38
  5. Step 5: Solve for x
    x = 879,901,689.38/43,168.36
  6. Step 6: Final answer
    x = 20,383.02

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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.