Home / 16,222.61-22,381.95-9,051.36

Finding the Fourth Proportional to 16,222.61, 22,381.95 and 9,051.36

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Solution

The fourth proportional to 16,222.61, 22,381.95 and 9,051.36 is: 12,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.61 : 22,381.95 = 9,051.36 : x
  2. Step 2: Convert to fraction form
    16,222.61/22,381.95 = 9,051.36/x
  3. Step 3: Cross multiply
    16,222.61x = 22,381.95 × 9,051.36
  4. Step 4: Simplify right side
    16,222.61x = 202,587,086.95
  5. Step 5: Solve for x
    x = 202,587,086.95/16,222.61
  6. Step 6: Final answer
    x = 12,487.95

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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.