Home / 16,440.48-22,659.12-11,903.04

Finding the Fourth Proportional to 16,440.48, 22,659.12 and 11,903.04

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Solution

The fourth proportional to 16,440.48, 22,659.12 and 11,903.04 is: 16,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.48 : 22,659.12 = 11,903.04 : x
  2. Step 2: Convert to fraction form
    16,440.48/22,659.12 = 11,903.04/x
  3. Step 3: Cross multiply
    16,440.48x = 22,659.12 × 11,903.04
  4. Step 4: Simplify right side
    16,440.48x = 269,712,411.72
  5. Step 5: Solve for x
    x = 269,712,411.72/16,440.48
  6. Step 6: Final answer
    x = 16,405.39

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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.