Home / 22,487.23-31,032.23-12,416.30

Finding the Fourth Proportional to 22,487.23, 31,032.23 and 12,416.30

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Solution

The fourth proportional to 22,487.23, 31,032.23 and 12,416.30 is: 17,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.23 : 31,032.23 = 12,416.30 : x
  2. Step 2: Convert to fraction form
    22,487.23/31,032.23 = 12,416.30/x
  3. Step 3: Cross multiply
    22,487.23x = 31,032.23 × 12,416.30
  4. Step 4: Simplify right side
    22,487.23x = 385,305,477.35
  5. Step 5: Solve for x
    x = 385,305,477.35/22,487.23
  6. Step 6: Final answer
    x = 17,134.41

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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.