Home / 22,122.10-30,526.23-13,169.98

Finding the Fourth Proportional to 22,122.10, 30,526.23 and 13,169.98

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Solution

The fourth proportional to 22,122.10, 30,526.23 and 13,169.98 is: 18,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.10 : 30,526.23 = 13,169.98 : x
  2. Step 2: Convert to fraction form
    22,122.10/30,526.23 = 13,169.98/x
  3. Step 3: Cross multiply
    22,122.10x = 30,526.23 × 13,169.98
  4. Step 4: Simplify right side
    22,122.10x = 402,029,838.58
  5. Step 5: Solve for x
    x = 402,029,838.58/22,122.10
  6. Step 6: Final answer
    x = 18,173.22

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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.