Home / 22,159.62-30,580.36-12,087.98

Finding the Fourth Proportional to 22,159.62, 30,580.36 and 12,087.98

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Solution

The fourth proportional to 22,159.62, 30,580.36 and 12,087.98 is: 16,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.62 : 30,580.36 = 12,087.98 : x
  2. Step 2: Convert to fraction form
    22,159.62/30,580.36 = 12,087.98/x
  3. Step 3: Cross multiply
    22,159.62x = 30,580.36 × 12,087.98
  4. Step 4: Simplify right side
    22,159.62x = 369,654,780.07
  5. Step 5: Solve for x
    x = 369,654,780.07/22,159.62
  6. Step 6: Final answer
    x = 16,681.46

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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.