Home / 22,385.71-30,892.43-12,176.74

Finding the Fourth Proportional to 22,385.71, 30,892.43 and 12,176.74

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Solution

The fourth proportional to 22,385.71, 30,892.43 and 12,176.74 is: 16,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.71 : 30,892.43 = 12,176.74 : x
  2. Step 2: Convert to fraction form
    22,385.71/30,892.43 = 12,176.74/x
  3. Step 3: Cross multiply
    22,385.71x = 30,892.43 × 12,176.74
  4. Step 4: Simplify right side
    22,385.71x = 376,169,088.08
  5. Step 5: Solve for x
    x = 376,169,088.08/22,385.71
  6. Step 6: Final answer
    x = 16,803.98

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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.