Home / 16,161.95-22,303.04-9,792.31

Finding the Fourth Proportional to 16,161.95, 22,303.04 and 9,792.31

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Solution

The fourth proportional to 16,161.95, 22,303.04 and 9,792.31 is: 13,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.95 : 22,303.04 = 9,792.31 : x
  2. Step 2: Convert to fraction form
    16,161.95/22,303.04 = 9,792.31/x
  3. Step 3: Cross multiply
    16,161.95x = 22,303.04 × 9,792.31
  4. Step 4: Simplify right side
    16,161.95x = 218,398,218.72
  5. Step 5: Solve for x
    x = 218,398,218.72/16,161.95
  6. Step 6: Final answer
    x = 13,513.11

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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.