Home / 15,461.92-21,355.20-10,180.36

Finding the Fourth Proportional to 15,461.92, 21,355.20 and 10,180.36

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Solution

The fourth proportional to 15,461.92, 21,355.20 and 10,180.36 is: 14,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.92 : 21,355.20 = 10,180.36 : x
  2. Step 2: Convert to fraction form
    15,461.92/21,355.20 = 10,180.36/x
  3. Step 3: Cross multiply
    15,461.92x = 21,355.20 × 10,180.36
  4. Step 4: Simplify right side
    15,461.92x = 217,403,623.87
  5. Step 5: Solve for x
    x = 217,403,623.87/15,461.92
  6. Step 6: Final answer
    x = 14,060.58

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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.