Home / 43,569.52-65,334.72-12,397.36

Finding the Fourth Proportional to 43,569.52, 65,334.72 and 12,397.36

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Solution

The fourth proportional to 43,569.52, 65,334.72 and 12,397.36 is: 18,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.52 : 65,334.72 = 12,397.36 : x
  2. Step 2: Convert to fraction form
    43,569.52/65,334.72 = 12,397.36/x
  3. Step 3: Cross multiply
    43,569.52x = 65,334.72 × 12,397.36
  4. Step 4: Simplify right side
    43,569.52x = 809,978,044.34
  5. Step 5: Solve for x
    x = 809,978,044.34/43,569.52
  6. Step 6: Final answer
    x = 18,590.47

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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.