Home / 16,587.17-22,889.36-9,415.18

Finding the Fourth Proportional to 16,587.17, 22,889.36 and 9,415.18

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Solution

The fourth proportional to 16,587.17, 22,889.36 and 9,415.18 is: 12,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.17 : 22,889.36 = 9,415.18 : x
  2. Step 2: Convert to fraction form
    16,587.17/22,889.36 = 9,415.18/x
  3. Step 3: Cross multiply
    16,587.17x = 22,889.36 × 9,415.18
  4. Step 4: Simplify right side
    16,587.17x = 215,507,410.80
  5. Step 5: Solve for x
    x = 215,507,410.80/16,587.17
  6. Step 6: Final answer
    x = 12,992.42

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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.