Home / 22,252.08-30,706.67-12,178.57

Finding the Fourth Proportional to 22,252.08, 30,706.67 and 12,178.57

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Solution

The fourth proportional to 22,252.08, 30,706.67 and 12,178.57 is: 16,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.08 : 30,706.67 = 12,178.57 : x
  2. Step 2: Convert to fraction form
    22,252.08/30,706.67 = 12,178.57/x
  3. Step 3: Cross multiply
    22,252.08x = 30,706.67 × 12,178.57
  4. Step 4: Simplify right side
    22,252.08x = 373,963,307.06
  5. Step 5: Solve for x
    x = 373,963,307.06/22,252.08
  6. Step 6: Final answer
    x = 16,805.77

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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.