Home / 23,397.36-32,288.44-12,787

Finding the Fourth Proportional to 23,397.36, 32,288.44 and 12,787

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Solution

The fourth proportional to 23,397.36, 32,288.44 and 12,787 is: 17,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.36 : 32,288.44 = 12,787 : x
  2. Step 2: Convert to fraction form
    23,397.36/32,288.44 = 12,787/x
  3. Step 3: Cross multiply
    23,397.36x = 32,288.44 × 12,787
  4. Step 4: Simplify right side
    23,397.36x = 412,872,282.28
  5. Step 5: Solve for x
    x = 412,872,282.28/23,397.36
  6. Step 6: Final answer
    x = 17,646.11

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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.