Home / 16,222.93-22,385.64-9,507.02

Finding the Fourth Proportional to 16,222.93, 22,385.64 and 9,507.02

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Solution

The fourth proportional to 16,222.93, 22,385.64 and 9,507.02 is: 13,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.93 : 22,385.64 = 9,507.02 : x
  2. Step 2: Convert to fraction form
    16,222.93/22,385.64 = 9,507.02/x
  3. Step 3: Cross multiply
    16,222.93x = 22,385.64 × 9,507.02
  4. Step 4: Simplify right side
    16,222.93x = 212,820,727.19
  5. Step 5: Solve for x
    x = 212,820,727.19/16,222.93
  6. Step 6: Final answer
    x = 13,118.51

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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.