Home / 22,159.62-30,580.37-12,088.28

Finding the Fourth Proportional to 22,159.62, 30,580.37 and 12,088.28

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Solution

The fourth proportional to 22,159.62, 30,580.37 and 12,088.28 is: 16,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.62 : 30,580.37 = 12,088.28 : x
  2. Step 2: Convert to fraction form
    22,159.62/30,580.37 = 12,088.28/x
  3. Step 3: Cross multiply
    22,159.62x = 30,580.37 × 12,088.28
  4. Step 4: Simplify right side
    22,159.62x = 369,663,861.72
  5. Step 5: Solve for x
    x = 369,663,861.72/22,159.62
  6. Step 6: Final answer
    x = 16,681.87

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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.