Home / 22,835.46-31,512.84-12,763.89

Finding the Fourth Proportional to 22,835.46, 31,512.84 and 12,763.89

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Solution

The fourth proportional to 22,835.46, 31,512.84 and 12,763.89 is: 17,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.46 : 31,512.84 = 12,763.89 : x
  2. Step 2: Convert to fraction form
    22,835.46/31,512.84 = 12,763.89/x
  3. Step 3: Cross multiply
    22,835.46x = 31,512.84 × 12,763.89
  4. Step 4: Simplify right side
    22,835.46x = 402,226,423.35
  5. Step 5: Solve for x
    x = 402,226,423.35/22,835.46
  6. Step 6: Final answer
    x = 17,614.12

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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.