Home / 19,587.12-29,322.36-11,772.24

Finding the Fourth Proportional to 19,587.12, 29,322.36 and 11,772.24

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Solution

The fourth proportional to 19,587.12, 29,322.36 and 11,772.24 is: 17,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.12 : 29,322.36 = 11,772.24 : x
  2. Step 2: Convert to fraction form
    19,587.12/29,322.36 = 11,772.24/x
  3. Step 3: Cross multiply
    19,587.12x = 29,322.36 × 11,772.24
  4. Step 4: Simplify right side
    19,587.12x = 345,189,859.29
  5. Step 5: Solve for x
    x = 345,189,859.29/19,587.12
  6. Step 6: Final answer
    x = 17,623.31

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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.