Home / 22,143.88-30,558.55-14,186.10

Finding the Fourth Proportional to 22,143.88, 30,558.55 and 14,186.10

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Solution

The fourth proportional to 22,143.88, 30,558.55 and 14,186.10 is: 19,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.88 : 30,558.55 = 14,186.10 : x
  2. Step 2: Convert to fraction form
    22,143.88/30,558.55 = 14,186.10/x
  3. Step 3: Cross multiply
    22,143.88x = 30,558.55 × 14,186.10
  4. Step 4: Simplify right side
    22,143.88x = 433,506,646.16
  5. Step 5: Solve for x
    x = 433,506,646.16/22,143.88
  6. Step 6: Final answer
    x = 19,576.82

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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.