Home / 16,403.45-22,637.07-9,330.12

Finding the Fourth Proportional to 16,403.45, 22,637.07 and 9,330.12

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Solution

The fourth proportional to 16,403.45, 22,637.07 and 9,330.12 is: 12,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.45 : 22,637.07 = 9,330.12 : x
  2. Step 2: Convert to fraction form
    16,403.45/22,637.07 = 9,330.12/x
  3. Step 3: Cross multiply
    16,403.45x = 22,637.07 × 9,330.12
  4. Step 4: Simplify right side
    16,403.45x = 211,206,579.55
  5. Step 5: Solve for x
    x = 211,206,579.55/16,403.45
  6. Step 6: Final answer
    x = 12,875.75

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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.