Home / 43,130.16-64,699.92-13,548.96

Finding the Fourth Proportional to 43,130.16, 64,699.92 and 13,548.96

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Solution

The fourth proportional to 43,130.16, 64,699.92 and 13,548.96 is: 20,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.16 : 64,699.92 = 13,548.96 : x
  2. Step 2: Convert to fraction form
    43,130.16/64,699.92 = 13,548.96/x
  3. Step 3: Cross multiply
    43,130.16x = 64,699.92 × 13,548.96
  4. Step 4: Simplify right side
    43,130.16x = 876,616,628.08
  5. Step 5: Solve for x
    x = 876,616,628.08/43,130.16
  6. Step 6: Final answer
    x = 20,324.91

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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.